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  • Title: [Andean megacolon and sigmoid volvulus in the high altitude. Presentation of 418 cases between 2008 - 2012 at C. Monge Hospital, Puno, Peru].
    Author: Borda Mederos LA, Kcam Mayorca EJ, Alarcon Aguilar P, Miranda Rosales LM.
    Journal: Rev Gastroenterol Peru; 2017; 37(4):317-322. PubMed ID: 29459800.
    Abstract:
    OBJECTIVE: The present study describes the medical and surgical management of sigmoid volvulus due to Andean dolicomegacolon in a hospital at an altitude above 3000 m. MATERIAL AND METHODS: A descriptive, observational, crosssectional study of 418 patients diagnosed with sigmoid volvulus; Admitted initially due to intestinal obstruction, in the Hospital of Juliaca Carlos Monge. Puno-Perú, during the period 2008-2012. The data were processed through the SPSS software version 21. RESULTS: A total of 418 patients were enrolled, the mean age was 60 years, range 18-89 years, and the male/female ratio was 3.5/1. Nonsurgical management was done in 64 (15.4%), the treatment used was saline enema 20 cases (31%) and rectal catheter 44 (69%), recurrence was present in 27 patients (45%), who had surgery with primary anastomosis resection, of which the mortality corresponded to 8 patients (30%). Of the 354 patients undergoing emergency surgical management, 325 were submitted to sigmoidectomy with primary anastomosis (92%), while 29 had Hartmann's colostomy (8%), the morbidity for both procedures was 52 cases (14.7%), Mortality for both procedures was 45 cases (12.7%). CONCLUSIONS: In patients with sigmoid volvulus due to Andean megacolon the mean age was 60 years. The 15.4% had non-surgical management, the recurrence rate was 45%, and mortality 30%. Patients with surgical management was 84.7%, from this group; 92% had primary anastomosis resection and 8% Hartmann colostomy, morbidity was 14.7% and mortality was 12.7%.
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