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Purpose: The term "intentional injuries" refers to a spectrum of injuries resulting from self-inflicted injuries, interpersonal violence, and group acts of violence. Intentional injuries are underreported in Saudi Arabia. This study aimed to analyze and evaluate the characteristics of intentional injuries in patients who presented to the emergency department of a primary trauma center in Medina, Saudi Arabia in 2013., Methods: A prospective cohort database analysis of the clinical patterns and treatment outcomes of 252 patients who had intentional injuries between January and December 2013 was done., Results: The proportion of trauma patients with intentional injuries was 1.3%. The mean age was 34.2±9.4 years, 141 patients (56.0%) were male, and 111 (44.1%) were female (male to female ratio, 1.27:1). The majority (n=159, 63.1%) of injuries occurred at night. Most occurred outside the home (n=180, 71.0%). Financial problems (n=62, 24.6%) and social disputes (n=61, 24.2%) were the most common reasons. Sharp objects (n=93, 36.9%) were the most common weapons used. The head and neck were the most commonly injured areas (n=63, 54.4%). Superficial cuts (n=87, 34.5%), were the most common type of injury. Suturing of wounds (n=54, 21.4%) and surgical debridement (n=47, 18.7%) were the most commonly performed modalities of management., Conclusions: We conclude that intentional injuries in Saudi Arabia are a health care hazard that is, unfortunately, underreported. The clinical pattern is similar in most aspects to international reports but differs in certain features due to the specific religious and conservative characteristics of the community. Nationwide clinical studies are strongly recommended., Competing Interests: Conflicts of interest The authors have no conflicts of interest to declare., (© 2022 The Korean Society of Traumatology.)

Purpose: The diagnosis of acute appendicitis is mainly clinical and is correct in about 80% of patients, but 20-33% present with atypical findings, which resulted in a negative appendectomy rate of 20-30%. The graded compression ultrasound method in the diagnosis of acute appendicitis was reported with a sensitivity of 89%, and specificity of 95%. In this study, we aim to evaluate the graded compression ultrasonography in the diagnosis of acute appendicitis, its influence on the clinical judgment to operate, and its role in lowering the negative appendectomy rate., Methods: 1073 patients treated surgically for acute appendicitis between January 2005 and December 2014 were reviewed. Ultrasound findings, histopathological diagnosis, and positive or negative appendectomy rates were analyzed., Results: 647 (60.3%) patients were males and 426 (39.7%) females. The mean age was 26.5 years. Positive ultrasound findings were recorded in 892 (83.13%), while negative findings were recorded in 181 (16.87%). Positive appendectomy was recorded in 983 (91.6%), while negative appendectomy was recorded in 90 (8.4%). The sensitivity was 83%, specificity was 100%, and the rate of negative appendectomy was 8.39%., Conclusion: Graded compression technique of ultrasound is a useful modality, in addition to the clinical judgment of the surgeon and clinical findings, in detecting true positive cases of acute appendicitis, and thus reducing the negative appendectomy rate. Values of 100% specificity, and 8.4% negative appendectomy rate, or better, could be achieved, when an experienced surgeon and a professional radiologist collaborate in the diagnosis of acute appendicitis.

The aim of this work is to describe and assess energetic-metabolic activity of selected muscles of upper extremities and body during breaststroke swimming through infrared thermography as electromyography cannot display such muscle activity. Thermograms were taken of 25 students from the University of Defence immediately and 15 minutes after swimming 1,000 m focused on 20 regions of interest, i.e., corresponding to selected agonists and synergists in upper extremities and body. We used FLUKE TiR infrared hand camera. It was found that there is a significant increase (normalized units) 15 minutes after swimming in triceps brachii (on the right prior to swimming 0.950 and after swimming 0.994; on the left prior to swimming 0.947 and after 0.990), and in side, rear and front parts of the deltoid muscles. On the contrary, there was a significant relative decrease in temperature in pectoralis, rhombic and lower trapezius, erector spinae lumbalis and latissimus dorsi. It can be concluded that swimming 1,000 m breaststroke affected significant increase in the temperature of regions of interest, i.e., corresponding to agonists and synergists of upper extremities for the swimmer's forward motion. A relative decrease in temperature occurred rather in body muscles. The problem of biased results due to water cooling was solved by using thermograms taken only in the 15th minute after getting out of water and calculating relative temperatures with normalized units.