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Hematologic complications of gastric bypass for morbid obesity.
South Med J 1989; 82(9):1108-10SM

Abstract

Of 530 patients who have had a gastric bypass operation for morbid obesity at Allegheny General Hospital, 41 had decreases in serum iron, vitamin B12, and/or folate levels. These abnormalities were detected eight months to eight years (median, two years) after the operation. The hemoglobin level ranged from 7.4 to 14.1 gm/dl at the time of detection, and mean corpuscular volume (MCV) ranged from 58 to 119 cu microns. The most common problem was combined iron and vitamin B12 deficiencies. Physicians should be aware that folate, vitamin B12, and iron deficiencies occur after gastric bypass, though the time to development is variable. Hemoglobin level and MCV are not predictive of these deficiencies.

Authors+Show Affiliations

Department of Medical Oncology, Allegheny General Hospital, Pittsburgh, Pa 15212.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

2772679

Citation

Simon, S R., et al. "Hematologic Complications of Gastric Bypass for Morbid Obesity." Southern Medical Journal, vol. 82, no. 9, 1989, pp. 1108-10.
Simon SR, Zemel R, Betancourt S, et al. Hematologic complications of gastric bypass for morbid obesity. South Med J. 1989;82(9):1108-10.
Simon, S. R., Zemel, R., Betancourt, S., & Zidar, B. L. (1989). Hematologic complications of gastric bypass for morbid obesity. Southern Medical Journal, 82(9), pp. 1108-10.
Simon SR, et al. Hematologic Complications of Gastric Bypass for Morbid Obesity. South Med J. 1989;82(9):1108-10. PubMed PMID: 2772679.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Hematologic complications of gastric bypass for morbid obesity. AU - Simon,S R, AU - Zemel,R, AU - Betancourt,S, AU - Zidar,B L, PY - 1989/9/1/pubmed PY - 1989/9/1/medline PY - 1989/9/1/entrez SP - 1108 EP - 10 JF - Southern medical journal JO - South. Med. J. VL - 82 IS - 9 N2 - Of 530 patients who have had a gastric bypass operation for morbid obesity at Allegheny General Hospital, 41 had decreases in serum iron, vitamin B12, and/or folate levels. These abnormalities were detected eight months to eight years (median, two years) after the operation. The hemoglobin level ranged from 7.4 to 14.1 gm/dl at the time of detection, and mean corpuscular volume (MCV) ranged from 58 to 119 cu microns. The most common problem was combined iron and vitamin B12 deficiencies. Physicians should be aware that folate, vitamin B12, and iron deficiencies occur after gastric bypass, though the time to development is variable. Hemoglobin level and MCV are not predictive of these deficiencies. SN - 0038-4348 UR - https://www.unboundmedicine.com/medline/citation/2772679/Hematologic_complications_of_gastric_bypass_for_morbid_obesity_ L2 - http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=2772679.ui DB - PRIME DP - Unbound Medicine ER -