[abstract] PLASMA GLUCOSE RESPONSE TO RECREATIONAL DIVING IN INSULIN-REQUIRING DIABETICS AND CONTROLS.

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[abstract] PLASMA GLUCOSE RESPONSE TO RECREATIONAL DIVING IN INSULIN-REQUIRING DIABETICS AND CONTROLS.

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Title: [abstract] PLASMA GLUCOSE RESPONSE TO RECREATIONAL DIVING IN INSULIN-REQUIRING DIABETICS AND CONTROLS.
Author: Uguccioni, DM; Dear, GdeL; Dovenbarger, JA; Feinglos, M; Moon, RE; Pollock, NW
Abstract: Individuals with insulin-requiring diabetes mellitus (IRDM) have traditionally been excluded from participation in scuba diving. The need to assess the blanket ban led us to study the plasma glucose (PG) response to diving. METHODS: Divers with a history of moderately controlled diabetes (HbAlc < 9%) and control divers with no history of diabetes were invited participate in tropical dive vacations. Participants regulated their own diving activity but agreed to IRB approved study guidelines (PG >80 mg.dL^-1 immediately pre-dive). PG was measured with a calibrated Bayer Elite glucometer at 60, 30 and 10 minutes pre-dive, glucose taken ifPG was falling, and immediately post-dive. RESULTS: A total of 806 dives were monitored: 423 dives by 33 divers with IRDM (mean±SD; 44.4±7.5 y; 25.3±4.5 kg·m^-2) and 383 dives by 28 Control divers (37.7±10.1 y; 24.9±3.7 kg·m^-2). Diving patterns were similar between lROM and Control groups (4.8± 1.6 vs. 5.2± 1.5 days of diving; 2.5±0.9 vs. 2.5±0.9 dives per day). No complications related to hypoglycemia arose during or post-dive in either group. The magnitude of the pre- to post-dive reductions was similarly modest in both groups. Post-dive PG fell below 70 mg·dL^-1 (definitional hypoglycemia) in 8% (IRDM) vs. 1% (Control) dives (lowest values were 41 and 61 mg·dL^-1 respectively) but all were asymptomatic. Thirteen individuals in the IRDM group reported hypoglycemic symptoms at times unrelated to diving. Table shows mean±SD of PG. G, 60 min, -30 min, -10/-5 min, Post-Dive, PG Drop; IRDM, 186±77, 203±74, 206±74, 152±68, 38±83; Control, NA, NA, 105±19, 99±31, 8±20. The median PG drop was 44 and 8 in IRDM and controls. The range was from 283 drop to 352 rise and 91 drop to 71 rise in IRDM and controls. CONCLUSIONS: PG levels were easy to monitor and correct by diet or glucose tablets. Results suggest that with careful attention, PG levels in IRDM divers can be managed to avoid hypoglycemia during uncomplicated dives conducted under recreational diving conditions.
Description: Undersea and Hyperbaric Medical Society, Inc. (http://www.uhms.org)
URI: http://archive.rubicon-foundation.org/6948
Date: 2000

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  • UHMS Meeting Abstracts
    This is a collection of the published abstracts from the Undersea and Hyperbaric Medical Society (UHMS) annual meetings.

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