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1.
Diabetes Obes Metab ; 23(10): 2303-2310, 2021 10.
Article in English | MEDLINE | ID: mdl-34142412

ABSTRACT

AIM: To examine blood glucose measurements recorded as part of the diabetes protocol operated by the UK, Ireland and Austria, which allows commercial airline pilots with insulin-treated diabetes to fly. METHODS: An observational study was conducted in pilots with insulin-treated diabetes, granted medical certification to fly commercial or noncommercial aircraft, who recorded pre-flight and hourly in-flight blood glucose measurements. These values were correlated to a traffic light system (green 5.0 to 15.0 mmol/L; amber 4.0 to 4.9 mmol/L and 15.1 to 20.0 mmol/L; and red <4.0 mmol/L or >20.0 mmol/L) and studied for trends in glucose concentrations, time course within flight and any consequences. Pilot demographics were also analysed. RESULTS: Forty-four pilots (90%) recorded one or more blood glucose value outside the green range during the 7 years of the study. Pilot age, diabetes type and duration, and follow-up period were comparable among subgroups, and mean glycated haemoglobin did not differ before and after certification in a way which would indicate poorer glycaemic control in any subgroup. A total of 892 blood glucose values (2.31%) were outside the green range, with half reported in-flight at various time intervals. There were 48 (0.12%) low red range values recorded, 14 (0.04%) of which occurred in-flight; all but four were restored to within the green range by the time of the next measurement. Appropriate corrective action was taken for all out-of-range values, with no reports of pilot incapacitation from any cause. CONCLUSIONS: The traffic light system appears effective in identifying and reducing the frequency and severity of out-of-range values.


Subject(s)
Hypoglycemia , Insulin , Aircraft , Blood Glucose/analysis , Blood Glucose Self-Monitoring , Humans , Hypoglycemic Agents
2.
Diabetes Care ; 43(12): 2923-2929, 2020 12.
Article in English | MEDLINE | ID: mdl-32586987

ABSTRACT

OBJECTIVE: The risk of hypoglycemia in people with insulin-treated diabetes has debarred them from certain "safety-critical" occupations, including flying commercial aircraft. This report evaluates the effectiveness of a protocol enabling a large cohort of insulin-treated pilots to fly commercially. RESEARCH DESIGN AND METHODS: This was an observational study of pilots with insulin-treated diabetes who were granted medical certification to fly commercial and noncommercial aircraft. Clinical details, pre- and in-flight (hourly and 30 min before landing) blood glucose values were correlated against the protocol-specified ranges: green (5-15 mmol/L), amber (low, 4-4.9 mmol/L; high, 15.1-20 mmol/L), and red (low, <4 mmol/L; high, >20 mmol/L). RESULTS: A total of 49 pilots with type 1 (84%) or type 2 (16%) diabetes who had been issued class 1 or class 2 certificates were studied. Median diabetes duration was 10.9 years. Mean HbA1c was 7.2% (55.0 mmol/mol) before certification and 7.2% (55.1 mmol/mol) after certification (P = 0.97). Blood glucose values (n = 38,621) were recorded during 22,078 flying hours. Overall, 97.69% of measurements were within the green range, 1.42% within the low amber range, and 0.75% within the high amber range. Only 0.12% of readings were within the low red range and 0.02% within the high red range. Out-of-range readings declined from 5.7% in 2013 to 1.2% in 2019. No episodes of pilot incapacitation occurred, and glycemic control did not deteriorate. CONCLUSIONS: The protocol is practical to implement, and no events compromising safety were reported. This study represents what is, to our knowledge, the most extensive data set from people with insulin-treated diabetes working in a "safety-critical" occupation, which may be relevant when estimating risk in other safety-critical occupations.


Subject(s)
Diabetes Mellitus/drug therapy , Insulin/therapeutic use , Pilots , Adult , Aircraft , Blood Glucose/analysis , Europe , Female , Humans , Male , Middle Aged
3.
J Trauma Nurs ; 26(4): 186-192, 2019.
Article in English | MEDLINE | ID: mdl-31283747

ABSTRACT

Trauma is a leading cause of death in the United States, and uncontrolled hemorrhage is often the primary cause of mortality. Massive transfusions provide lifesaving treatment for the bleeding trauma patient; yet, this is not a benign intervention. Calcium levels can be significantly decreased with rapidly transfused blood products due to the citrate preservative that is added. Citrate binds to the patient's endogenous calcium when blood products are administered, rendering calcium inactive. As a result, undesirable physiological effects can occur. Although there is a plethora of evidence reporting the negative effects of hypocalcemia during resuscitation, the research for standardization of calcium monitoring and replacement during a massive transfusion event is less robust. Consequently, monitoring and replacement of this vital electrolyte are often overlooked. Trauma department employees at an urban academic hospital were given a pretest to assess their knowledge of calcium monitoring and replacement during a massive transfusion. On the basis of test results and a need for staff education, a short, animated video was designed and distributed for viewing. Following the educational video, a posttest was administered and yielded higher scores when compared with the pretest (p = .001). Lack of knowledge and national standards may be root causes for hypocalcemia. Educational interventions such as innovative, brief videos can be effective for enhancing staff members' knowledge and improving patient care.


Subject(s)
Blood Transfusion/nursing , Calcium/administration & dosage , Hypocalcemia/nursing , Inservice Training , Multiple Trauma/nursing , Humans , Hypocalcemia/prevention & control , Infusions, Intravenous , Pennsylvania/epidemiology , Pilot Projects , Retrospective Studies , Trauma Centers
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