Presentations of active substance use in the emergency department: A single center's perspective study in Riyadh, Saudi Arabia.

OBJECTIVES: To explore the most common clinical presentations of active substance users in our institution's Emergency Department (ED). METHODS: This was a retrospective chart review of all patients that were brought to the ED of King Saud University Medical City in Riyadh, Saudi Arabia thought to be actively using illicit substances, between January 2019 and December 2021. Those with incomplete data were excluded. RESULTS: A total of 582 patients were included in the study, 532 (91.4%) males, the majority were in the age group 21-30 years old (53.1%). Most patients were fully alert (n=405, 69.6%). Overall, cannabis was used by 349 (60%) of patients. Seventy-four patients presented to the ED because of motor vehicle collisions, the majority were males (98.6%), 35 (47.3%) were the driver of the vehicle and 40 (54.1%) were on cannabis. Males had 5.5 times more medical illness presentations and 10.8 times traumatic illness presentations when compared to females predominantly presenting with psychological illness presentations. CONCLUSION: Among Saudi users of illicit substances, the majority were young men with medical illness presentations. The rate of traumatic injuries / vehicular and road traffic accidents is at 15.3%, and cannabis and amphetamine were the most used substances. Screening for active substance use should be conducted using both patient histories and laboratory testing for all high-risk presentations and not solely based on clinical assessment.

Endothermal heat-induced thrombosis after endovenous laser ablation: A single-center experience.

Lower limb varicose veins are a common vascular disorder producing pain and disability when truncal vein reflux is present. Endovenous laser ablation (EVLA) of the great saphenous vein (GSV) is a safe and effective method for treating this condition. An unintended complication of this procedure is endothermal heat-induced thrombosis (EHIT) of common femoral vein. A retrospective outcomes analysis of patients who underwent EVLA of the GSV at King Khalid University Hospital from June 2006 to November 2018 was conducted to identify the risks factors and incidence of EHIT. Patients were assessed by clinical examination and duplex ultrasound imaging after the EVLA, and patient demographic characteristics and procedural factors predictive of EHIT were determined. Following EVLA, 11,070 duplex ultrasound examinations were performed for 1,230 limbs, and EHIT was detected in 65 (5.3%) limbs in 60 (6.8%) patients. Essentially all EHIT cases were detected in the first week (n = 63; 96.9%) and clot regression occurred over a period of 1-4 weeks. There were no significant differences in patient demographic characteristics or procedural factors between the EHIT and non-EHIT groups, except for the percentage of women (86% v 73%; P = .02), maximum GSV diameter (6.7 ± 2.7 mm v 6.0 ± 2.1 mm; P = .04), and percentage of patients with a competent saphenofemoral junction (41% v 37%; P < .001). EVLA is a safe treatment for great saphenous vein reflux, but EHIT can occur and was associated with female sex, large maximum GSV diameter, and competent saphenofemoral junction. Venous duplex imaging after EVLA is recommended because EHIT is asymptomatic in most patients.