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1.
Ann Med Surg (Lond) ; 86(5): 2633-2638, 2024 May.
Article in English | MEDLINE | ID: mdl-38694280

ABSTRACT

Background: Colonoscopy is widely used as a tool for diagnosis, screening and treatment of various pathologies in the rectum, colon, and terminal ileum. The aim of this study is to evaluate the demographic, clinical, and histological parameters of the records of patients undergoing colonoscopy at a tertiary care hospital in Nepal. Materials and methods: This retrospective cross-sectional study included the hospital records of all patients who underwent colonoscopy from 2015 to 2019 in a tertiary care centre in Nepal. Results: A total of 1255 records were included in the study. The mean and standard deviation of age were 43.8 and 19 years, respectively. Among the total study population, 61.9% were males and 38.1% were females. Common indications for colonoscopy included lower gastrointestinal bleeding (27.7%), altered bowel habit (26.9%) and persistent or recurrent abdominal pain (17.3%). Only 3% of the patients who underwent colonoscopy had inadequate bowel preparation. The overall diagnostic yield of colonoscopy was 57.5%. Findings during colonoscopy included colorectal polyp (19.4%), internal haemorrhoids (8.2%) and colitis (6.5%). Having an age of 50 or more years was significantly associated with the presence of colorectal adenocarcinoma (P=0.017, χ2 test) with an odds ratio of 2.35 (95% CI: 1.14, 4.89). Furthermore, having a female sex was found to be significantly associated with the presence of colorectal adenocarcinoma (P=0.012, χ2 test) with an odds ratio of 2.43 (95% CI: 1.19, 4.97). Conclusion: In the authors' study, a smaller proportion of the colonoscopies was aimed at screening for colorectal carcinoma (CRC), when compared to studies in developed countries. The sex predisposition of CRC in the authors' study is in contrast to the global trend. The authors recommend conducting studies to determine the risk factors and need for CRC screening in the Nepalese population.

2.
Ann Med Surg (Lond) ; 85(10): 5250-5254, 2023 Oct.
Article in English | MEDLINE | ID: mdl-37811048

ABSTRACT

Introduction and importance: Lambda-cyhalothrin is a type II pyrethroid compound commonly used as a pesticide, with the potential to cause life-threatening toxicity in humans. Furthermore, among cases of pesticide poisoning in Nepal, organophosphates are most frequently implicated. Case presentation: A 40-year-old female presented to our hospital after ingesting a pesticide compound with suicidal intent. She also admitted to alcohol intoxication and exhibited symptoms of confusion, abdominal pain, nausea, and vomiting. An atropine challenge test yielded negative results. Therefore, conservative management was continued. It was discovered later that the ingested pesticide was lambda-cyhalothrin. The patient's condition eventually improved with supportive treatment. Clinical discussion: Several reports have highlighted the overlapping clinical features between organophosphorus and pyrethroid poisoning. In some cases of pyrethroid poisoning, misdiagnosis as organophosphorus poisoning has occurred, leading to the inappropriate administration of atropine. In our case, initial management was challenging owing to the lack of accurate information about the ingested compound. On further evaluation, cholinergic clinical features were absent and the atropine challenge test was negative. This was suggestive of nonorganophosphorus compound poisoning. Conclusion: This case illustrates that managing pesticide poisoning becomes challenging when the nature of the pesticide is unknown. Patients suffering from poisoning caused by pyrethroid compounds like lambda-cyhalothrin can present with features resembling organophosphorus poisoning. In such circumstances, a comprehensive clinical evaluation should guide the management. Clinical features and an atropine challenge test can aid in differentiating organophosphorus from nonorganophosphorus compound poisoning. This distinction facilitates therapeutic decision-making, including the consideration of atropine administration.

3.
JNMA J Nepal Med Assoc ; 60(247): 310-313, 2022 Mar 11.
Article in English | MEDLINE | ID: mdl-35633270

ABSTRACT

Spontaneous femoral artery pseudoaneurysm in a young person with no comorbidity is a rare occurrence. A 30 years old gentleman presented to our hospital with complaints of painful swelling of spontaneous onset in the right inguinal region for 15 days. He had undergone incision and drainage of the contents of the swelling five days back but he suffered from a recurrence of the painful right inguinal swelling and persistent bleeding from the incision site for four days. Computed tomography showed a pseudoaneurysm of the right common femoral artery. It was treated surgically by emergency exploration, hematoma evacuation, removal of pseudoaneurysm, and repair of the defect in the right common femoral artery. In this case, we were fortunate that inadvertent incision of the pseudoaneurysm didn't result in a massive haemorrhage. This serves as a reminder that the possibility of a femoral artery pseudoaneurysm should be considered when evaluating a swelling of the inguinal region. Keywords: case report; common femoral artery; misdiagnosis; pseudoaneurysm; vascular surgery.


Subject(s)
Aneurysm, False , Adolescent , Adult , Aneurysm, False/diagnostic imaging , Aneurysm, False/surgery , Femoral Artery/diagnostic imaging , Femoral Artery/surgery , Humans , Male , Tomography, X-Ray Computed
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