Universität zu Köln

Jansen, Stefanie, Meyer, Moritz Friedo, Boor, Manuela, Volland, Ruth, Pracht, Eberhard Daniel, Kluenter, Heinz Dieter, Huettenbrink, Karl-Bernd, Beutner, Dirk and Grosheva, Maria ORCID: 0000-0002-5985-468X (2017). Repetitive freshwater diving: risk factors and prevalence of barotrauma. Undersea Hyperb. Med., 44 (5). S. 407 - 415. DURHAM: UNDERSEA & HYPERBARIC MEDICAL SOC INC. ISSN 1066-2936

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Abstract

Objective: The aim was to investigate the influence of repetitive scuba diving in fresh water on the middle ear mucosa. The prevalence of middle ear barotrauma (MEB) and risk factors for MEB were evaluated. Study design: Prospective cohort study, Level of evidence lb. Methods: During three days, 23 divers made 144 repetitive dives in a freshwater lake. Participants underwent otoscopic examinations and were questioned about ENT-related complaints in the morning before the first dive, in between the dives and after the last dive. Otoscopic findings were documented and classified according to the TEED scale (0 = normal eardrum to 4 = perforation), for the right and the left ear separately. Results: In total, 416 examinations were performed. ENT related complaints during diving, mostly failed pressure equalization (74%), were reported after 10% of all dives. Most common pathology was MEB (TEED 1-3, 26%). Valsalva maneuver was possible during all exams. Significant increase of MEB (TEED>0) occurred with an increasing cumulative number of dives per day (P <.0001). Diving depth significantly influenced the MEB distribution (P =.035). MEB with higher TEED levels (2 and 3) was present only in the less experienced and intermediate divers. With increasing TEED level, more participants reported ENT-related problems (P <.0001). However, 74.4% of divers with MEB were still asymptomatic. Conclusion: During three days of diving, the MEB prevalence increased with a cumulative number of dives per day. The major risk factors were diving depth and diving experience. Higher TEED level correlated with an increasing number of subjective ENT related disorders during diving.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Jansen, Stefanie UNSPECIFIED UNSPECIFIED UNSPECIFIED Meyer, Moritz Friedo UNSPECIFIED UNSPECIFIED UNSPECIFIED Boor, Manuela UNSPECIFIED UNSPECIFIED UNSPECIFIED Volland, Ruth UNSPECIFIED UNSPECIFIED UNSPECIFIED Pracht, Eberhard Daniel UNSPECIFIED UNSPECIFIED UNSPECIFIED Kluenter, Heinz Dieter UNSPECIFIED UNSPECIFIED UNSPECIFIED Huettenbrink, Karl-Bernd UNSPECIFIED UNSPECIFIED UNSPECIFIED Beutner, Dirk UNSPECIFIED UNSPECIFIED UNSPECIFIED Grosheva, Maria UNSPECIFIED orcid.org/0000-0002-5985-468X UNSPECIFIED
URN:	urn:nbn:de:hbz:38-219326
Journal or Publication Title:	Undersea Hyperb. Med.
Volume:	44
Number:	5
Page Range:	S. 407 - 415
Date:	2017
Publisher:	UNDERSEA & HYPERBARIC MEDICAL SOC INC
Place of Publication:	DURHAM
ISSN:	1066-2936
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language EUSTACHIAN-TUBE FUNCTION; SCUBA-DIVERS; DISORDERS; SPRAY Multiple languages Marine & Freshwater Biology; Medicine, Research & Experimental Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/21932