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Journal articles on the topic 'Traumatic mating'

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Published: 3 June 2025
Last updated: 31 July 2025

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1

Tong, Xin, Peng-Yang Wang, Mei-Zhuo Jia, Randy Thornhill, and Bao-Zhen Hua. "Traumatic mating increases anchorage of mating male and reduces female remating duration and fecundity in a scorpionfly species." Proceedings of the Royal Society B: Biological Sciences 288, no. 1952 (2021): 20210235. http://dx.doi.org/10.1098/rspb.2021.0235.

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Traumatic mating is the male wounding his mate during mating using specialized anatomy. However, why males have evolved to injure their mates during mating remains poorly understood. We studied traumatic mating in Dicerapanorpa magna to determine its effects on male and female fitness. The sharp teeth on male gonostyli penetrate the female genitalia and cause copulatory wounds, and the number of scars on the female genitals is positively related to the number of times females mated. When the injurious teeth were encased with low-temperature wax, preventing their penetration of the female's gen
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Lange, Rolanda, Tobias Gerlach, Joscha Beninde, Johanna Werminghausen, Verena Reichel, and Nils Anthes. "Female Fitness Optimum at Intermediate Mating Rates under Traumatic Mating." PLoS ONE 7, no. 8 (2012): e43234. http://dx.doi.org/10.1371/journal.pone.0043234.

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Lange, Rolanda, Johanna Werminghausen, and Nils Anthes. "Cephalo-traumatic secretion transfer in a hermaphrodite sea slug." Proceedings of the Royal Society B: Biological Sciences 281, no. 1774 (2014): 20132424. http://dx.doi.org/10.1098/rspb.2013.2424.

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Mating rituals in the animal kingdom are often quite extraordinary, in particular when mating is traumatic. We here describe the exceptional traumatic mating behaviour of the currently undescribed sea slug, Siphopteron sp. 1. Similar to four congeners, Siphopteron sp. 1 routinely exhibits traumatic secretion transfer through a stylet-like penis appendage. Contrary to previous descriptions, however, prostate secretions are injected centrally into the partner's forehead, representing, to our knowledge, the first-known instance of ‘cephalo-traumatic secretion transfer’. We further provide a compa
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Lange, Rolanda, Klaus Reinhardt, Nico K. Michiels, and Nils Anthes. "Functions, diversity, and evolution of traumatic mating." Biological Reviews 88, no. 3 (2013): 585–601. http://dx.doi.org/10.1111/brv.12018.

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5

Ma, Nina, Deyong Gong, Aijia Mao, et al. "Traumatic mating causes strict monandry in a wolf spider." Zoological Research 44, no. 1 (2023): 101–4. http://dx.doi.org/10.24272/j.issn.2095-8137.2022.336.

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6

Kimura, Kazuki, and Satoshi Chiba. "The direct cost of traumatic secretion transfer in hermaphroditic land snails: individuals stabbed with a love dart decrease lifetime fecundity." Proceedings of the Royal Society B: Biological Sciences 282, no. 1804 (2015): 20143063. http://dx.doi.org/10.1098/rspb.2014.3063.

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Several taxa of simultaneously hermaphroditic land snails exhibit a conspicuous mating behaviour, the so-called shooting of love darts. During mating, such land snail species transfer a specific secretion by stabbing a mating partner's body with the love dart. It has been shown that sperm donors benefit from this traumatic secretion transfer, because the secretions manipulate the physiology of a sperm recipient and increase the donors' fertilization success. However, it is unclear whether reception of dart shooting is costly to the recipients. Therefore, the effect of sexual conflict and antag
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Vacacela Ajila, Henry E., J. P. Michaud, Ahmed H. Abdelwahab, Sara V. Kuchta, and Hannah E. Stowe. "How Efficient Is Fertilization by Traumatic Insemination in Orius insidiosus (Hemiptera: Anthocoridae)?" Journal of Economic Entomology 112, no. 4 (2019): 1618–22. http://dx.doi.org/10.1093/jee/toz061.

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Abstract Traumatic insemination (TI) can be injurious to females, and females have evolved various paragenital structures to mitigate these impacts. We examined the mating behavior of Orius insidiosus (Say) and the consequences of single and double matings for female fitness. A total of 100 virgin females (4–6-d old) were directly observed while they mated with virgin males. Some of these females were mated a second time with a different, nonvirgin male 3–5 d later, after they oviposited in sunflower stems. Females were held in isolation, fed eggs of Ephestia kuehniella Zeller, and reproductiv
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Jandausch, Kenny, Jan Michels, Alexander Kovalev, et al. "Have female twisted-wing parasites (Insecta: Strepsiptera) evolved tolerance traits as response to traumatic penetration?" PeerJ 10 (August 16, 2022): e13655. http://dx.doi.org/10.7717/peerj.13655.

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Traumatic insemination describes an unusual form of mating during which a male penetrates the body wall of its female partner to inject sperm. Females unable to prevent traumatic insemination have been predicted to develop either traits of tolerance or of resistance, both reducing the fitness costs associated with the male-inflicted injury. The evolution of tolerance traits has previously been suggested for the bed bug. Here we present data suggesting that tolerance traits also evolved in females of the twisted-wing parasite species Stylops ovinae and Xenos vesparum. Using micro-indentation ex
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9

Dougherty, Liam R., and Leigh W. Simmons. "X-ray micro-CT scanning reveals temporal separation of male harm and female kicking during traumatic mating in seed beetles." Proceedings of the Royal Society B: Biological Sciences 284, no. 1856 (2017): 20170550. http://dx.doi.org/10.1098/rspb.2017.0550.

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In the seed beetle Callosobruchus maculatus , the male intromittent organ is covered in sharp spines that pierce the female copulatory tract wall during mating. Although the fitness consequences of traumatic mating are well studied in this species, we know much less about how the male and female genitalia interact during mating. This is partly due to the fact that genital interactions occur primarily inside the female, and so are difficult to observe. In this study, we use X-ray micro-CT scanning to examine the proximate mechanisms of traumatic mating in C. maculatus in unprecedented detail. W
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Kamimura, Yoshitaka. "Twin intromittent organs of Drosophila for traumatic insemination." Biology Letters 3, no. 4 (2007): 401–4. http://dx.doi.org/10.1098/rsbl.2007.0192.

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In several animals, male genitalia create insemination wounds in areas outside the genital orifice of females. I report that such traumatic insemination (TI) occurs in the Drosophila bipectinata complex (Diptera: Drosophilidae) and illustrate a previously unknown evolutionary pathway for this behaviour. Flash fixation of mating pairs revealed the dual function of the paired claw-like basal processes, previously misidentified as a bifid aedeagus: (i) penetration of the female body wall near the genital orifice and (ii) sperm transfer into the genital tract through the wounds. Basal processes in
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Kaufmann, Elena, and Oliver Otti. "Males increase their fitness by choosing large females in the common bedbug Cimex lectularius." Animal Biology 69, no. 1 (2019): 17–32. http://dx.doi.org/10.1163/15707563-20181033.

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Abstract Mate choice is often a role assigned to females. Already Darwin realised that males are eager to copulate, and females are choosy. However, male mate choice is not as rare as assumed. Males should choose females if females vary in quality, i.e., fecundity. Indeed, males often choose larger mates and through this preference increase fitness benefits. In addition, if mating costs reduce the number of copulations a male can potentially perform, he should be choosy. Bedbug females vary in their fecundity and female size is positively related to fecundity. Male bedbugs are limited in semin
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12

Tatarnic, Nikolai J., Gerasimos Cassis, and Dieter F. Hochuli. "Traumatic insemination in the plant bug genus Coridromius Signoret (Heteroptera: Miridae)." Biology Letters 2, no. 1 (2005): 58–61. http://dx.doi.org/10.1098/rsbl.2005.0394.

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In traumatic insemination, males pierce females with hypodermic genitalia and ejaculate into the body cavity rather than into the genital tract. This has resulted in the evolution of female counter-adaptations in the form of paragenitalia to reduce the direct physical costs of mating. While rare in the animal kingdom, traumatic insemination is oddly prevalent in the true bug infraorder Cimicomorpha (Heteroptera), where it occurs in six families and is thought to have arisen twice. Here, we report the discovery of traumatic insemination and elaborate paragenital development in the plant bug gen
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13

Siva-Jothy, Michael T., Weihao Zhong, Richard Naylor, Louise Heaton, William Hentley, and Ewan Harney. "Female bed bugs (Cimex lectularius L) anticipate the immunological consequences of traumatic insemination via feeding cues." Proceedings of the National Academy of Sciences 116, no. 29 (2019): 14682–87. http://dx.doi.org/10.1073/pnas.1904539116.

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Not all encounters with pathogens are stochastic and insects can adjust their immune management in relation to cues associated with the likelihood of infection within a life cycle as well as across generations. In this study we show that female insects (bed bugs) up-regulate immune function in their copulatory organ in anticipation of mating by using feeding cues. Male bed bugs only mate with recently fed females and do so by traumatic insemination (TI). Consequently, there is a tight temporal correlation between female feeding and the likelihood of her being infected via TI. Females that rece
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14

Siva-Jothy, M. T. "Trauma, disease and collateral damage: conflict in cimicids." Philosophical Transactions of the Royal Society B: Biological Sciences 361, no. 1466 (2006): 269–75. http://dx.doi.org/10.1098/rstb.2005.1789.

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The bed bugs and bat bugs (Hemiptera: Cimicidae) are unusual in being a gonochorist (separate male and female genders) taxon with obligate traumatic insemination. Males of all the species in this family have a lanceolate paramere (intromittent organ) which they use to pierce the female's body wall and inseminate directly into her haemocoel, despite the presence of a functional female genital tract. Mating is tightly linked to the feeding cycle in Cimex lectularius , the common bed bug. In this paper, I examine key aspects of the reproductive anatomy and behaviour of C. lectularius that underpi
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15

McNamara, Kathryn B., Nadia S. Sloan, Sian E. Kershaw, Emile van Lieshout, and Leigh W. Simmons. "Males evolve to be more harmful under increased sexual conflict intensity in a seed beetle." Behavioral Ecology 31, no. 2 (2020): 591–97. http://dx.doi.org/10.1093/beheco/arz186.

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Abstract One conspicuous manifestation of sexual conflict is traumatic mating, in which male genitalia damage the female during copulation. The penis of the seed beetle, Callosobruchus maculatus, is covered in spines that damage the female reproductive tract. Females kick males ostensibly to shorten these harmful copulations. How these iconic conflict behaviors coevolve in response to sexual conflict intensity can provide insight into the economics of these traits. We examined whether male harm and female resistance coevolved in response to elevated sexual conflict. We quantified copulation be
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16

Kamimura, Yoshitaka, and Chow-Yang Lee. "Mating and genital coupling in the primitive earwig species Echinosoma denticulatum (Pygidicranidae): implications for genital evolution in dermapteran phylogeny." Arthropod Systematics & Phylogeny 72 (April 8, 2014): 11–21. https://doi.org/10.3897/asp.72.e31779.

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Dermaptera (earwigs) shows much diversity in the genital structures, the presence of either one or two male intromittent organs (penes) being one striking aspect. The members of several groups (Karschiellidae, Eudermaptera, Arixeniina, and Hemimerina) possess a single functional penis, while others have a pair of penes. The latter condition is considered to be plesiomorphic in Dermaptera. Despite its importance for inferring the phylogeny of Dermaptera, it is presently unclear how the ancestor of earwigs acquired paired penes. To estimate the mode of mating and sperm transfer in the common anc
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17

Abraham Gabriel, A., S. T. Yee-Nin, Lawan Adamu, H. M. D. Hassan, and A. H. Wahid. "Enucleation in a Cownose Ray (Rhinoptera bonasus)." Case Reports in Veterinary Medicine 2018 (2018): 1–6. http://dx.doi.org/10.1155/2018/5048948.

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Trauma is a common problem in Cownose Ray during mating season in both wild and captive rays. Enucleation is indicated when there is an ocular trauma. A 5-year-old female Cownose Ray (Rhinoptera bonasus) from Aquaria of Kuala Lumpur Convention Centre (KLCC) was presented to University Veterinary Hospital (UVH), Universiti Putra Malaysia, with a complaint of protruding left eye, which resulted from crushing into artificial coral during mating season. There were a hyphema in the traumatic left eye, periorbital tissue tear, exposed left eye socket, and multiple abrasions on both pectoral fins. Th
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18

Lange, Rolanda, Johanna Werminghausen, and Nils Anthes. "Does traumatic secretion transfer manipulate mating roles or reproductive output in a hermaphroditic sea slug?" Behavioral Ecology and Sociobiology 67, no. 8 (2013): 1239–47. http://dx.doi.org/10.1007/s00265-013-1551-4.

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19

Kamimura, Yoshitaka, and Chow-Yang Lee. "Mating and genital coupling in the primitive earwig species Echinosoma denticulatum (Pygidicranidae): implications for genital evolution in dermapteran phylogeny." Arthropod Systematics & Phylogeny 72, no. 1 (2014): 11–21. http://dx.doi.org/10.3897/asp.72.e31779.

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Dermaptera (earwigs) shows much diversity in the genital structures, the presence of either one or two male intromittent organs (penes) being one striking aspect. The members of several groups (Karschiellidae, Eudermaptera, Arixeniina, and Hemimerina) possess a single functional penis, while others have a pair of penes. The latter condition is considered to be plesiomorphic in Dermaptera. Despite its importance for inferring the phylogeny of Dermaptera, it is presently unclear how the ancestor of earwigs acquired paired penes. To estimate the mode of mating and sperm transfer in the common anc
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20

Matsumura, Yoko, Haruki Suenaga, Yoshitaka Kamimura, and Stanislav N. Gorb. "Traumatic mating by hand saw-like spines on the internal sac in Pyrrhalta maculicollis (Coleoptera, Chrysomelidae, Galerucinae)." ZooKeys 720 (December 11, 2017): 77–89. http://dx.doi.org/10.3897/zookeys.720.13015.

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Matsumura, Yoko, Haruki Suenaga, Yoshitaka Kamimura, and Stanislav N. Gorb. "Traumatic mating by hand saw-like spines on the internal sac in Pyrrhalta maculicollis (Coleoptera, Chrysomelidae, Galerucinae)." ZooKeys 720 (December 11, 2017): 77–89. https://doi.org/10.3897/zookeys.720.13015.

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Morphology of the aedeagus and vagina of Pyrrhalta maculicollis and its closely related species were investigated. The internal sac of P. maculicollis bears hand saw-like spines, which are arranged in a row. Healing wounds were found on the vagina of this species, whose females were collected in the field during a reproductive season. However, the number of the wounds is low in comparison to the number of the spines. In addition, males of P. tibialis bear one spinous sclerite on the internal sac, but the female of this species show no wounds on the vagina. The vaginal wall is thicker in P. mac
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El-Guebaly, Nady. "Alcohol and Polysubstance Abuse among Women." Canadian Journal of Psychiatry 40, no. 2 (1995): 73–79. http://dx.doi.org/10.1177/070674379504000204.

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A review of the literature in this relatively new field highlights the legitimacy of gender-specific research on substance abuse in women. Consistent findings compared to men include a higher physical vulnerability to alcohol, a higher risk of assortative mating, the reported association of traumatic events with the onset of substance abuse, a higher psychiatric comorbidity and a shorter interval between first problem and first treatment episode. Intravenous drug use remains the major source of growth of HIV infection among women. Family assessment and treatment as well as the involvement of f
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Dougherty, Liam R., Emile van Lieshout, Kathryn B. McNamara, Joe A. Moschilla, Göran Arnqvist, and Leigh W. Simmons. "Sexual conflict and correlated evolution between male persistence and female resistance traits in the seed beetle Callosobruchus maculatus." Proceedings of the Royal Society B: Biological Sciences 284, no. 1855 (2017): 20170132. http://dx.doi.org/10.1098/rspb.2017.0132.

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Traumatic mating (or copulatory wounding) is an extreme form of sexual conflict whereby male genitalia physically harm females during mating. In such species females are expected to evolve counter-adaptations to reduce male-induced harm. Importantly, female counter-adaptations may include both genital and non-genital traits. In this study, we examine evolutionary associations between harmful male genital morphology and female reproductive tract morphology and immune function across 13 populations of the seed beetle Callosobruchus maculatus . We detected positive correlated evolution between th
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Moreno, Jhon Alexander, and Michelle McKerral. "Differences according to Sex in Sociosexuality and Infidelity after Traumatic Brain Injury." Behavioural Neurology 2015 (2015): 1–12. http://dx.doi.org/10.1155/2015/914134.

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Objective. To explore differences according to sex in sociosexuality and infidelity in individuals with TBI and in healthy controls.Participants. Forty-two individuals with mild, moderate, and severe TBI having completed a postacute TBI rehabilitation program, at least six months after injury, and 47 healthy controls.Main Measures. Sociosexual Orientation Inventory-Revised (SOI-R) and Attitudes toward Infidelity Scale.Results. Overall, men score significantly higher than women in sociosexuality. However, there was a nonsignificant trend towards a reduction of sociosexuality levels in men with
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Elwood, Robert W. "Behavioural Indicators of Pain and Suffering in Arthropods and Might Pain Bite Back?" Animals 13, no. 16 (2023): 2602. http://dx.doi.org/10.3390/ani13162602.

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Pain in response to tissue damage functions to change behaviour so that further damage is minimised whereas healing and survival are promoted. This paper focuses on the behavioural criteria that match the function to ask if pain is likely in the main taxa of arthropods. There is evidence consistent with the idea of pain in crustaceans, insects and, to a lesser extent, spiders. There is little evidence of pain in millipedes, centipedes, scorpions, and horseshoe crabs but there have been few investigations of these groups. Alternative approaches in the study of pain are explored and it is sugges
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Poinar, George, Samantha Lewis, Bradley Hyman, and Nils Hagen. "Systematic affinity of the sea urchin parasite, Echinomermella matsi Jones & Hagen (Enoplida: Echinomermellidae)." Nematology 13, no. 6 (2011): 747–53. http://dx.doi.org/10.1163/138855410x551680.

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AbstractMorphological and molecular studies were used to determine the systematic affinity of the sea urchin parasite, Echinomermella matsi. The absence of somatic ornamentation and external openings in the parasitic juveniles and adults, aside from a small non-functional mouth and male reproductive opening, shows a striking degree of morphological reduction in Echinomermella as an adaptation to a parasitic life style. A phylogenetic analysis of E. matsi by the maximum likelihood (ML) and neighbour-joining (NJ) methods places it within the Order Enoplida. This indicates that Echinomermella evo
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Kamimura, Yoshitaka, Hui-Siang Tee, and Chow-Yang Lee. "Ovoviviparity and genital evolution: a lesson from an earwig species with coercive traumatic mating and accidental breakage of elongated intromittent organs." Biological Journal of the Linnean Society 118, no. 3 (2016): 443–56. http://dx.doi.org/10.1111/bij.12755.

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Abdulla, Haitham A., and Saad K. Alkhalifa. "Ruptured Globe due to a Bird Attack." Case Reports in Ophthalmology 7, no. 1 (2016): 112–14. http://dx.doi.org/10.1159/000444180.

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Introduction: Bird attacks are in general an uncommon event. To our knowledge, this is the first reported case in Bahrain. There have been very few cases reported worldwide. Mainly, birds attack humans as retaliation to threats surrounding their environment. At certain occasions, bird attack frequency increases especially during mating season or in the presence of a threat toward their young. Methods: A 31-year-old male presented with a history of left-eye trauma, loss of vision, pain and tearing for 2 hours. A left corneal penetrating laceration and traumatic cataract were diagnosed. The corn
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Seyrek Intas, D., G. Yilmazbas, K. Seyrek Intas, et al. "Radiographic pelvimetry and evaluation of radiographic findings of the pelvis in cats with dystocia." Tierärztliche Praxis Ausgabe K: Kleintiere / Heimtiere 36, no. 04 (2008): 277–84. http://dx.doi.org/10.1055/s-0038-1622688.

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Summary Objective: The aim of this study was to determine reference values for pelvic dimensions in radiographically unremarkable native Turkish cats (similar to European Shorthair cats) and to evaluate radiographic findings of the pelvis in cats with dystocia and to compare their pelvimetric measurements with those of radiographically unremarkable cats. Material and methods: Pelvimetry was performed on ventro-dorsal and lateral radiographs of radiographically unremarkable male (n = 34) and female cats (n = 23) with no history of dystocia and cats presented with dystocia. Cats with dystocia we
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Belozertseva, Irina V., Dmitrijs D. Merkulovs, Helena Kaiser, Timofey S. Rozhdestvensky, and Boris V. Skryabin. "Advancing 3Rs: The Mouse Estrus Detector (MED) as a Low-Stress, Painless, and Efficient Tool for Estrus Determination in Mice." International Journal of Molecular Sciences 25, no. 17 (2024): 9429. http://dx.doi.org/10.3390/ijms25179429.

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Determining the estrous cycle stages in mice is essential for optimizing breeding strategies, synchronizing experimental timelines, and facilitating studies in behavior, drug testing, and genetics. It is critical for reducing the production of genetically unmodified offspring in the generation and investigation of genetically modified animal models. An accurate detection of the estrus cycle is particularly relevant in the context of the 3Rs—Replacement, Reduction, and Refinement. The estrous cycle, encompassing the reproductive phases of mice, is key to refining experimental designs and addres
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Vasconcelos, Selene Cordeiro, Sandra Lopes de Souza, Everton Botelho Sougey, et al. "Nursing Staff Members Mental’s Health and Factors Associated with the Work Process: An Integrative Review." Clinical Practice & Epidemiology in Mental Health 12, no. 1 (2016): 167–76. http://dx.doi.org/10.2174/1745017901612010167.

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Background: The mental health of nursing staff members influences the work process outcomes. Objective: Identify the work related factors that harms the nursing team’s mental health. Methods: Databases PubMed, Scopus, CINAHL and MEDLINE, by mating between the indexed descriptors in MeSH terms “mental health” and “occupational health nursing”. 783 articles were rescued to give a final sample of 18 articles. Integrative review in order to identify factors associated with the work process of the nursing staff that negatively affects mental health. Results: The main associated factors were work de
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Kamimura, Yoshitaka, and Ferreira Rodrigo Lopes. "Earwigs from Brazilian caves, with notes on the taxonomic and nomenclatural problems of the Dermaptera (Insecta)." ZooKeys 713 (November 2, 2017): 25–52. https://doi.org/10.3897/zookeys.713.15118.

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Based on samples collected during surveys of Brazilian cave fauna, seven earwig species are reported: Cylindrogaster cavernicola Kamimura, sp. n., Cylindrogaster sp. 1, Cylindrogaster sp. 2, Euborellia janeirensis, Euborellia brasiliensis, Paralabellula dorsalis, and Doru luteipes, as well as four species identified to the (sub)family level. To date, C. cavernicola Kamimura, sp. n. has been recorded only from cave habitats (but near entrances), whereas the other four organisms identified at the species level have also been recorded from non-cave habitats. Wings and female genital structures of
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(Koga), Akiko Katayanagi, and Satoko Kimpara. "Clinical Psychological Supports Matching to Patient Traumatic Characteristics." Proceedings of the Annual Convention of the Japanese Psychological Association 81 (September 20, 2017): L—039—L—039. http://dx.doi.org/10.4992/pacjpa.81.0_l-039.

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Njenga, Frank G., P. J. Nicholls, Caroline Nyamai, Pius Kigamwa, and Jonathan R. T. Davidson. "Post-traumatic stress after terrorist attack: psychological reactions following the US embassy bombing in Nairobi." British Journal of Psychiatry 185, no. 4 (2004): 328–33. http://dx.doi.org/10.1192/bjp.185.4.328.

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BackgroundMost studies of post-traumatic stress disorder following terrorist attacks are of small samples in industrialised nations and take place months or years after the incident.AimsTo describe reactions following the US embassy bombing in Nairobi and the characteristic features of and risk factors for post-traumatic stress symptoms in a large, non-Western sample soon after the attack.MethodA self-report questionnaire which assessed potential risk factors and identified symptoms matching DSM–IV criteria for post-traumatic stress disorder was answered by 2883 Kenyans, 1–3 months after the b
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Jakob, Dominik A., Martin Müller, Apostolos Kolitsas, Aristomenis K. Exadaktylos, and Demetrios Demetriades. "Surgical Repair vs Splenectomy in Patients With Severe Traumatic Spleen Injuries." JAMA Network Open 7, no. 8 (2024): e2425300. http://dx.doi.org/10.1001/jamanetworkopen.2024.25300.

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ImportanceThe spleen is often removed in laparotomy after traumatic abdominal injury, with little effort made to preserve the spleen.ObjectiveTo explore the association of surgical management (splenic repair vs splenectomy) with outcomes in patients with traumatic splenic injuries undergoing laparotomy and to determine whether splenic repair is associated with lower mortality compared with splenectomy.Design, Setting, and ParticipantsThis is a trauma registry–based cohort study using the American College of Surgeons Trauma Quality Improvement Program database from January 2013 to December 2019
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Brooke, Marvin M., and James Duh. "Quantification of matching task response times after traumatic brain injury." Archives of Physical Medicine and Rehabilitation 75, no. 9 (1994): 1035. http://dx.doi.org/10.1016/0003-9993(94)90750-1.

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Rajendran, Gunaseelan, Sasikumar Mahalingam, Anitha Ramkumar, Kumaresh Pillur Tamilarasu, and Rahini Kannan. "Surgical versus conservative management for traumatic brain injury in elderly patients: A propensity-matched cohort study." Turkish Journal of Emergency Medicine 25, no. 2 (2025): 92–99. https://doi.org/10.4103/tjem.tjem_133_24.

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OBJECTIVE: The management of traumatic brain injury in elderly patients remains a topic of conflicting evidence in the literature. While some studies suggest that surgical intervention is beneficial, others indicate increased mortality and morbidity. Therefore, we conducted this retrospective matched cohort study to further investigate the role of surgical and conservative management for traumatic brain injury in elderly individuals. METHODS: The authors conducted a retrospective review comparing patients with traumatic brain injury who underwent nonoperative management (NOM) versus those who
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Jazayeri, Seyed Behzad, Mehdi Ataeepour, Helale Rabiee, et al. "Prevalence of Spinal Cord Injury in Iran: A 3-Source Capture-Recapture Study." Neuroepidemiology 45, no. 1 (2015): 28–33. http://dx.doi.org/10.1159/000435785.

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Background: Epidemiologic data of spinal cord injured (SCI) patients are necessary for prevention policymaking and improvement of social and healthcare support to patients. This study was designed to estimate the prevalence of traumatic and non-traumatic SCI in Iran in a three-source capture-recapture study. Methods: Three organizations, which provide supports to SCI patients were identified. Demographic data of patients in each organization was obtained. Datasets were formed and matching data were found. Matched data were incorporated into STATA 12 for log linear analyses. Results of sensitiv
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Scivoletto, Giorgio, Elena Cosentino, Alessia Mammone, and Marco Molinari. "Inflammatory Myelopathies and Traumatic Spinal Cord Lesions: Comparison of Functional and Neurological Outcomes." Physical Therapy 88, no. 4 (2008): 471–84. http://dx.doi.org/10.2522/ptj.20070049.

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Background and Purpose Outcomes knowledge is essential to answer patients' questions regarding function, to plan the use of resources, and to evaluate treatments to enhance recovery. The purpose of this study was to compare the outcomes of patients with traumatic spinal cord injury (SCI) with those of patients with inflammatory spinal cord lesions (ISCLs). Subjects and Methods The authors evaluated 181 subjects with traumatic SCI and 67 subjects with ISCLs. Using a matching cohorts procedure, 38 subjects were selected from each group. The measures used were the American Spinal Injury Associati
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Baglivio, Michael T., Haley Zettler, Jessica M. Craig, and Kevin T. Wolff. "Evaluating RNR-Based Targeted Treatment and Intervention Dosage in the Context of Traumatic Exposure." Youth Violence and Juvenile Justice 19, no. 3 (2021): 251–76. http://dx.doi.org/10.1177/1541204020988575.

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Best practices in juvenile justice call for the individualized matching of services to assessed dynamic risk factors, with services delivered at sufficient dosage. However, prior work has largely ignored whether this recipe for recidivism reduction is as effective for adolescents with extensive traumatic exposure as it is for those without. The current study leverages a statewide sample of 1,666 juveniles released from residential placement (84.6% male, 59.8% Black, 11.9% Hispanic). We examine the associations of individual-level service matching and achieving dosage targets established by Lip
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Chau, Wilkin, Bernhard Ross, Danielle Tisserand, et al. "Traumatic brain injury patients show increased gamma activity during visual feature-matching." International Congress Series 1300 (June 2007): 405–8. http://dx.doi.org/10.1016/j.ics.2007.02.034.

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McDonald, Skye, Julia Rosenfeld, Julie D. Henry, Leanne Togher, Robyn Tate, and Cristina Bornhofen. "Emotion Perception and Alexithymia in People With Severe Traumatic Brain Injury: One Disorder or Two? A Preliminary Investigation." Brain Impairment 12, no. 3 (2011): 165–78. http://dx.doi.org/10.1375/brim.12.3.165.

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AbstractPrimary objective:Recent research studies attest to the presence of deficits in emotion perception following severe traumatic brain injury (TBI). Additionally, a growing number of studies report significant levels of alexithymia (disorder of emotional cognition) following TBI. This research aimed to examine the relation between the two, while assessing the influence of posttraumatic stress disorder (PTSD).Design:Cross-sectional study examining levels of alexithymia, emotion perception disorders and PTSD and their association, in 20 people with severe, chronic TBI and 20 adults without
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Scivoletto, Giorgio, Monica Torre, Alessia Mammone, et al. "Acute Traumatic and Ischemic Spinal Cord Injuries Have a Comparable Course of Recovery." Neurorehabilitation and Neural Repair 34, no. 8 (2020): 723–32. http://dx.doi.org/10.1177/1545968320939569.

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Background. The relative rarity of ischemic compared with traumatic spinal cord injury (SCI) has limited a comparison of the outcomes of these conditions. Objective. To investigate the neurological and functional recovery of ischemic compared with traumatic acute SCI. Methods. Data were derived from the European Multicenter Study Spinal Cord Injury database. Patients with ischemic (iSCI) or traumatic SCI (tSCI), aged 18 years or older were evaluated at different time points from incidence: at about 1 month, 3 months, and 6 months. The neurological status was assessed at each time point by the
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Ocampo, Collin Tanchanco, Liliana Ladner, Colin Kelly, et al. "173 Transcriptomic Insights into Post-Traumatic Immune Susceptibility: A Translational Bench-to-Bedside Model of TBI and Infectious Encephalitis." Neurosurgery 71, Supplement_1 (2025): 41. https://doi.org/10.1227/neu.0000000000003360_173.

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INTRODUCTION: It is known that traumatic brain injury (TBI) predisposes patients to chronic immune-susceptibility. However, chronic neurologic deficits and key pathways associated with post-traumatic infections, such as encephalitis, are poorly characterized. METHODS: The TriNetX database was queried for all patients 18 years or older with a confirmed diagnosis of encephalitis between 2016 and 2024. Patient cohorts included those with a diagnosis of TBI at least one month before encephalitis (N = 1,038), TBI anytime before encephalitis (N = 1,886), and encephalitis but no TBI, which constitute
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Tsiklidis, Evan J., Talid Sinno, and Scott L. Diamond. "Coagulopathy implications using a multiscale model of traumatic bleeding matching macro- and microcirculation." American Journal of Physiology-Heart and Circulatory Physiology 317, no. 1 (2019): H73—H86. http://dx.doi.org/10.1152/ajpheart.00774.2018.

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Quantifying the relationship between vascular injury and the dynamic bleeding rate requires a multiscale model that accounts for changing and coupled hemodynamics between the global and microvascular levels. A lumped, global hemodynamic model of the human cardiovascular system with baroreflex control was coupled to a local 24-level bifurcating vascular network that spanned diameters from the muscular artery scale (0.1–1.3 mm) to capillaries (5–10 μm) via conservation of momentum and conservation of mass boundary conditions. For defined injuries of severing all vessels at each nth-level, the ch
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Ostapchenko, D. A., A. I. Gutnikov, and L. A. Davydova. "Current Approaches to the Treatment of Traumatic Shock (Review)." General Reanimatology 17, no. 4 (2021): 65–76. http://dx.doi.org/10.15360/1813-9779-2021-4-65-76.

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The clinical manifestation of shock is characterized by systemic circulatory disturbances andblood flow, hypoxic and metabolic disorders. The leading role in the pathogenesis of traumatic shock (the subtype of a hypovolemic shock), is assigned to the severity of the damaging effect, the time interval sufficient for the development of a pathophysiological response, mismatch between body tissue perfusion and the metabolic requirements, and impaired aerobic oxidation in tissues. The use of a comprehensive multicomponent intensive care strategy matching the pathophysiological changes is a difficult chal
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Guttman, Matthew P., Jeremie Larouche, Frank Lyons, and Avery B. Nathens. "Early fixation of traumatic spinal fractures and the reduction of complications in the absence of neurological injury: a retrospective cohort study from the American College of Surgeons Trauma Quality Improvement Program." Journal of Neurosurgery: Spine 34, no. 1 (2021): 117–26. http://dx.doi.org/10.3171/2020.5.spine191440.

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OBJECTIVEThe optimal timing of operative stabilization of patients with traumatic spinal fractures without spinal cord injury (SCI) has not been established. The challenges of early operative intervention, which may require prone positioning in a patient with multisystem injuries, must be balanced with the disadvantages of prolonged immobilization. The authors set out to define the optimal timing of surgical repair of traumatic spinal fractures in patients without SCI and the effect of delayed repair on the incidence of major complications.METHODSA retrospective cohort study was conducted usin
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Empey, Rebecca, Ram Nirula, and Sarah Lombardo. "Outcomes following hepatic angioembolization for patients with traumatic liver injury." Trauma Surgery & Acute Care Open 10, no. 1 (2025): e001627. https://doi.org/10.1136/tsaco-2024-001627.

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BackgroundManagement of traumatic liver injury includes observation, hemorrhage control laparotomy (HCL), and/or liver angioembolization (LAE). Although the literature supports LAE as an effective option, procedure-related complications are well described and not uncommon. The purpose of this study is to evaluate whether LAE is associated with worse outcomes in both patients undergoing HCL and patients managed expectantly.MethodsThis is a retrospective analysis of patients with grades III to V traumatic liver injury enrolled in the 2018 to 2020 Trauma Quality Improvement Program database. Two
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Azad, Tej D., Kathleen Renee Ran, Vikas Vattipally, et al. "124 Craniotomy Versus Craniectomy for Traumatic Acute Subdural Hematoma Coarsened Exact Matched Analysis of Outcomes." Neurosurgery 70, Supplement_1 (2024): 25–26. http://dx.doi.org/10.1227/neu.0000000000002809_124.

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INTRODUCTION: Previous studies comparing craniotomy (CO) versus decompressive hemicraniectomy (DC) for acute subdural hematoma (aSDH) evacuation after traumatic brain injury have not found significant association between surgical approach and patient outcome. We hoped to provide a more granular and real-world assessment of outcomes. METHODS: One hundred thirty-eight patients underwent CO (N = 76) or DC (N = 62) for traumatic aSDH. DC patients were on average 21.4 years younger (P < 0.001), more likely to be male (80.6% vs 60.5%, P = 0.011), and present with GCS = 8 (64.5% vs 36.8%, P = 0.00
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Yamada, Yohei, Noriaki Yokogawa, Satoshi Kato, et al. "Effects of Dementia on Outcomes after Cervical Spine Injuries in Elderly Patients: Evaluation of 1512 Cases in a Nationwide Multicenter Study in Japan." Journal of Clinical Medicine 12, no. 5 (2023): 1867. http://dx.doi.org/10.3390/jcm12051867.

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We aimed to retrospectively investigate the demographic characteristics and short-term outcomes of traumatic cervical spine injuries in patients with dementia. We enrolled 1512 patients aged ≥ 65 years with traumatic cervical injuries registered in a multicenter study database. Patients were divided into two groups according to the presence of dementia, and 95 patients (6.3%) had dementia. Univariate analysis revealed that the dementia group comprised patients who were older and predominantly female and had lower body mass index, higher modified 5-item frailty index (mFI-5), lower pre-injury a
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