scholarly journals Factors affecting temporary cavity generation during gunshot wound formation in animals – new aspects in the light of flow mechanics: a review

2012 ◽  
Vol 57 (No. 11) ◽  
pp. 569-574 ◽  
Author(s):  
MZ Felsmann ◽  
J. Szarek ◽  
M. Felsmann ◽  
I. Babinska

There is controversy regarding the causes of temporary cavity generation during gunshot wound formation. Analysis of gunshot wounds in hunted animals suggests that a bullet’s frontal surface shape is the primary factor in forming a temporary pulsating cavity, and that cavity size is not directly affected by bullet velocity.

2021 ◽  
Vol 23 (1) ◽  
pp. 101-108
Author(s):  
Nikita I. Myasnikov ◽  
Vyacheslav V. Panov ◽  
Mariyama R. Ba ◽  
Igor Y. Kim ◽  
Kazibek B. Chakalsky ◽  
...  

The features of the development of traumatic pancreatitis in gunshot wounds of the abdomen, which present difficulties in timely diagnosis, are considered, hypotheses are formulated for studying the problem. Two clinical cases of developing traumatic pancreatitis against the background of a gunshot wound to the abdomen with indirect damage to the pancreas are presented. Without taking into account the peculiarities of the formation of the wound canal relative to the organs of the abdomen, in conditions of limited diagnostic potential, there is a high probability of late diagnosis of traumatic pancreatitis, especially in indirect damage. Injuries to the organs of the upper half of the abdomen can be risk factors for indirect damage to the pancreas due to the effect of lateral impact energy and the formation of a temporary pulsating cavity. In general, the management of such wounded in a surgical hospital with limited diagnostic capabilities or with stage treatment in a local military conflict requires the surgeon to know the peculiarities of the course of traumatic pancreatitis, which make it possible to prevent the development of complications in a timely manner. The development of traumatic pancreatitis in penetrating gunshot wounds to the abdomen is not always a consequence of direct pancreatic injury. This circumstance must always be taken into account during a diagnostic laparotomy.


2015 ◽  
Vol 43 (5) ◽  
pp. 611-615 ◽  
Author(s):  
M. İçer ◽  
Y. Zengin ◽  
R. Dursun ◽  
H. M. Durgun ◽  
C. Göya ◽  
...  

1958 ◽  
Vol 31 (1) ◽  
pp. 185-201 ◽  
Author(s):  
E. E. Auer ◽  
K. W. Doak ◽  
I. J. Schaffner

Abstract By using an existing cut-growth test in a new way it has been possible not only to increase the reproducibility of the results, but also to show important relations between cut-growth resistance and modulus, or the elongation at break of cold SBR tread stocks. The logarithm of the cut-growth resistance of cold SBR vulcanizates as measured on a modified De Mattia machine, is shown to be a linear function of the 300 per cent modulus, except for certain undercured stocks. The slope of the curve is dependent on the type and the amount of black, but is relatively independent of the type of curing system, amount of antioxidant, and time of Geer aging. An equation has been found which relates cut-growth resistance at 150° F with the elongation at break of the vulcanizate. Except for stocks having black loadings in excess of about 55 phr and having in addition modulus values less than 800 psi, this relation appears to be nearly independent of black loading, type of black, curing system, time or temperature of cure, antioxidant concentration, and extent of Geer aging. The elongation at break of an SBR tread stock thus appears to be a primary factor governing its groove-cracking behavior. The relation between cut-growth resistance and modulus is of secondary significance and evidently depends upon the interrelation between the modulus and breaking elongation of these formulations. The breaking elongation, however, cannot be the sole factor governing the groove-cracking behavior; otherwise there would be no restrictions on the validity of the breaking elongation equation.


2016 ◽  
Vol 85 (1) ◽  
pp. 51-54
Author(s):  
Elmas Shaqiri ◽  
Bledar Xhemali ◽  
Zija Ismaili ◽  
Admir Sinamati ◽  
Gentian Vyshka

Atypical gunshot wounds present a challenge for the forensic expert, and sometimes differentiating these from a blunt trauma can be difficult. A careful crime scene investigation can be helpful in finding additional evidence and clarifying the nature of the injuries. We describe a case of an unusual craniocerebral injury that was initially interpreted as a blow from a wooden object. The appearance of the wound lacked the classical characteristics of entrance and exit bullet wounds, but the investigation showed it was due to the ricocheting of a destabilized bullet. Potentially lethal, craniocerebral gunshot injuries are a common occurrence in developing countries even in non-conflict areas, with very bad outcomes even when treated aggressively in specialized neurosurgical facilities. The authors briefly discuss similar cases and opinions in the relevant literature, emphasizing the importance of a rational approach during the reconstruction of the crime scene.


2018 ◽  
Vol 20 (2) ◽  
pp. 66-73
Author(s):  
M. N. Kravtsov ◽  
S. A. Landik ◽  
A. А. Dubinin ◽  
K. S. Azatyan ◽  
В. V. Gaidar ◽  
...  

The study objectiveis to determine the feasibility and effectiveness evaluation of full-endoscopic surgery in gunshot wound of the lumbar spine.Materials and methods.A clinical case of a 24-year-old male who received a gunshot wound to the lumbar spine is described. The patient underwent a full-endoscopic intervention aimed at extracting a bullet from the spinal canal.Results.Minimal-invasive approach to spinal canal with the possibility to extract a bullet, decompression of nerve roots, defect closure of the dura mater is demonstrated.Conclusion.Good clinical outcome allows to recommend the full-endoscopic surgery with similar gunshot wounds of the lumbar spine at the stage of specialized care.


e-CliniC ◽  
2017 ◽  
Vol 5 (2) ◽  
Author(s):  
Fauziyyah N.S.E Djaafara ◽  
James F. Siwu ◽  
Erwin G. Kristanto

Abstract: Injuries and deaths resulted from firearm violence are global public health issues. In Indonesia, many firearm violence cases are reported in areas with frequent conflicts. In North Sulawesi, especially in Manado City, reports of firearm violence have not been well documented. This study was aimed to determine the firearm violence pattern in North Sulawesi in the period of 2012-2017. This was andescriptive retrospective study. Data of gunshot wounds in North Sulawesi in the period of January 2012-July 2017 were obtained from visum et repertum of gunshot wound in death cases at the Department of Forensic and Medicolegal Prof. R. D. Kandou Hospital, medical records of patients in the Department of Surgery Prof. R. D. Kandou Hospital, and the Criminal Investigation Department of North Sulawesi Regional Police. There were 14 cases of gunshot wounds. All of the cases were males and dominated by productive age group. The highest number of gunshot cases occurred in Manado. From the visum et repertum and examinations, it was found that all cases had an entrance gunshot wound. Conclusion: In North Sulawesi, gunshot cases were found in males, most were in productive age, and had entrance gunshot wound.Keywords: firearms, gunshot wounds, North Sulawesi Abstrak: Cedera dan kematian akibat kekerasan senjata api menjadi salah satu masalah kesehatan masyarakat secara global. Di Indonesia, kasus kekerasan senjata api banyak dilaporkan di daerah yang sering mengalami konflik. Di Provinsi Sulawesi Utara, khususnya Kota Manado laporan mengenai angka kejadian kekerasan senjata api belum tercatat dengan baik. Penelitian ini bertujuan untuk mengetahui gambaran pola kekerasan senjata api di Sulawesi Utara pada periode 2012-2017. Jenis penelitian ialah deskriptif retrospektif. Dari hasil pengumpulan data kasus luka tembak di Sulawesi Utara kurun waktu tersebut melalui penelusuran hasil visum et repertum pada kematian akibat luka tembak di Bagian Kedokteran Forensik dan Medikolegal RSUP Prof. Dr. R. D Kandou, rekam medik pasien di Bagian Ilmu Bedah RSUP Prof. Dr. R. D. Kandou, dan Bagian Reserse Kriminal Umum (Bareskrimum) Kepolisian Daerah Sulawesi Utara tercatat 14 kasus luka tembak yang terjadi di Sulawesi Utara. Secara keseluruhan kasus luka tembak terjadi pada laki-laki dan didominasi oleh kelompok usia produktif. Kasus penembakan terbanyak terjadi di Kota Manado. Dari hasil pemeriksaan dan visum et repertum, didapatkan hasil bahwa seluruh kasus merupakan gambaran luka tembak masuk. Simpulan: Di Sulawesi Utara, kasus luka tembak ditemukan pada jenis kelamin laki-laki, umumnya usia produktif, dengan luka tembak masuk.Kata kunci: senjata api, luka tembak, Sulawesi Utara


Health of Man ◽  
2021 ◽  
pp. 85-90
Author(s):  
Serhii Golovko ◽  
Oleksandr Savytskiy ◽  
Oleksandr Netrebko ◽  
Yevhen Bidula ◽  
Volodymyr Bondarchuk

The frequency of external genital lesions in armed conflicts can reach up to 5%. The complexity of gunshot wounds is the presence of significant soft tissue defects, widespread necrosis around the wound, the possibility of progression in the hours and days after injury, the high probability of infection, and the presence of foreign bodies. The tactics of gunshot wounds are determined by the location, nature and extent of damage to soft tissues, organs, large vessels, nerves, bones and includes several stages. At the initial stage, bleeding is stopped, hematomas and foreign bodies are evacuated, non-viable tissues are removed, drainages are installed and skin defects are closed. The stage of reconstructive surgery can be started when the active wound process is over. In this report, we present a clinical case of a 22-year-old man who received a gunshot wound to the right groin, upper third of the right thigh, perineum and external genitalia in a combat zone of Operation Allied Forces, Ukraine. Bullet wound led to: damage to the skin and subcutaneous tissue in the right buttock, right groin, on the inner surface of the upper third of the thigh, penis (skin defect up to 1/3 of the circumference), scrotum, partial destruction of corpora cavernosa, m. iliopsoas and adductor muscles of the thigh, sphincter of the rectum, crushing of the right testicle. The wound was contaminated with earth and foreign bodies At the initial stage, the patient underwent: primary surgical treatment of a gunshot wound, suturing of cavernous bodies with sutures, fixation of the penis in the groin, removal of the right testicle, tamponade of the wound, sigmostomy (due to sphincter damage). Subsequently, the patient underwent regular surgical treatment of wounds, a vacuum suction system VAC was installed. After 7 months (upon completion of the healing process) suturing of the sigmostoma was performed. After 2 months, the penis and the scrotum were reconstructed. Preoperative examination (ultrasound of the penis with assessment of cavernous hemodynamics, MRI) revealed: post-traumatic scarring of the soft tissues of the right groin, inner surface of the right thigh, buttocks, right inguinal canal of the penis and scrotum, deformation of the cavernous cavity, normal indicators of cavernous blood circulation. In the early postoperative period (2 months after the intervention), the patient indicated satisfaction with the cosmetic and functional results, the preservation of morning erections, moderate discomfort in the penis during erection. Prosthetics of the right testicle are planned. The clinical case once again confirms the need for qualified surgical care during the first “golden” hour and subsequent phased treatment at a specialized level using the VAC therapy system in patients with gunshot wounds and large soft tissue defects. The experience of military medicine demonstrates the importance of involving specialists of various profiles in the treatment of combined gunshot wounds of the pelvis. An important stage of treatment in the wounded is plastic and reconstructive surgery in the long term, which is aimed at improving the functional, cosmetic and psychological results of treatment.


Author(s):  
Patil Armenian ◽  
Luke N Rodda

Abstract Deaths with a toxicology finding of the party drug, 3,4-Methylenedioxymethamphetamine (MDMA), over the 20-year period from 2000-2019 in San Francisco are presented to identify shifting demographic trends. Of the 148 cases, 129 (87.2%) were male with mean and median ages of 30 and 28, respectively. The most common manner of death (MOD) in males was homicide (65 of 129) and accident (49 of 129). The most common MOD in females was accident (15 of 19). Regarding racial demographics, Black homicide deaths accounted for 59 of 67 (88.1%) of total homicides. The most prevalent cause of death for homicides was gunshot wounds (63 of 67, 94.0%). Homicide prevalence was high in the first decade of the study (53 of 88, 60.2%), sharply dropping off after 2011. White accidental deaths made up most of the accidental deaths (45 of 64, 70.3%). Since 2015, accidental deaths with MDMA began to rise (40 of 60, 66.7%), most with other coingestants. MDMA concentrations (median, mean ± SD) between homicide (290, 450 ± 490 ng/mL) and accidental (250, 680 ± 1120 ng/mL) deaths were similar. MDMA concentrations were elevated in central blood compared to peripheral blood from unmatched cases. MDMA was detected in a variety of decedents during the two decades, with primarily young Black male gunshot wound homicide victims in the first decade and primarily young White male accidental polydrug victims in the second decade. This study demonstrates that MDMA is no longer confined to a party setting, but can also be found in different socio-economic strata, including its association with violent homicidal deaths.


2006 ◽  
Vol 130 (9) ◽  
pp. 1283-1289 ◽  
Author(s):  
J. Scott Denton ◽  
Adrienne Segovia ◽  
James A. Filkins

Abstract Context.—Gunshot wounds are the most common cause of homicidal death in the United States. Analysis and interpretation of fatal gunshot wounds is an important and common practice among forensic pathologists. Additionally, for pathology residents, it is an integral aspect of their training during their rotations at medical examiner or coroner offices. Objective.—The correct interpretation of gunshot wounds by forensic pathologists not only provides valuable information that can assist law enforcement in their investigation but also is essential for the final determination of manner of death. Discussion of the practical, basic, and essential skills required to interpret gunshot wounds include distinguishing a classic entrance wound from an exit wound; recognizing atypical entrance and exit wounds; utilizing the features of soot and stippling patterns to differentiate among contact, close, and distant range gunshot wounds; understanding of the trauma produced by gunshot wounds; and understanding the importance of recovering and documenting/handling any projectiles recovered at autopsy. Data Sources.—This article reviews numerous standard forensic pathology textbooks and the pertinent literature to formulate practical guidelines to assist the pathologist in the performance of forensic autopsies and the investigation of gunshot wound fatalities. Conclusions.—Pathologists who perform investigations and autopsies to determine the cause and manner of death in gunshot wound cases must be aware of the implications, requirements, and pitfalls in interpretation of the injuries so that the examination fulfills its expectations to the community and the justice system.


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