Universität zu Köln

Jansen, Stefanie, Meyer, Moritz Friedo, Boor, Manuela, Felsch, Moritz, Kluenter, Heinz-Dieter, Pracht, Eberhard Daniel, Huettenbrink, Karl-Bernd, Beutner, Dirk and Grosheva, Maria ORCID: 0000-0002-5985-468X (2016). Prevalence of Barotrauma in Recreational Scuba Divers After Repetitive Saltwater Dives. Otol. Neurotol., 37 (9). S. 1325 - 1332. PHILADELPHIA: LIPPINCOTT WILLIAMS & WILKINS. ISSN 1537-4505

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Abstract

Introduction:The aim was to investigate the prevalence of middle ear barotrauma (MEB) and to establish risk factors of MEB after repeated saltwater dives.Methods:In this prospective observational cohort study 28 divers were examined over 6 consecutive days of diving in the Red Sea, Egypt. Participants underwent an otoscopic examination before the first dive, between each dive and after the last dive. In addition, they performed Valsalva maneuver (VM) and were questioned about dive-related complaints. Otoscopic findings were classified according to TEED classification for MEB (0=normal otoscopy to 4=perforation) separately for each ear. First examination was conducted before the first dive. Final examination, including a questionnaire, was conducted at least 12h after the last dive.Results:In total, 436 dives were performed and 1161 otoscopic findings were analyzed. All participants showed a normal eardrum and a positive VM during initial exam. MEB prevalence (TEED >0) was 36.5% at final examination. Prevalence increased significantly with number of dives per day (p<0.001) as with number of diving days (p=0.032). Neither depth nor duration of dives significantly influenced MEB prevalence (all p>0.05). More experienced divers (>200 dives lifetime) showed significantly less barotrauma (p<0.0001). Despite the high prevalence of MEB, 81.7% (316 of 387) of all dives were reported asymptomatic.Conclusions:After 6 days of repetitive diving, MEB prevalence was high (36.5%). It was the most often cause of otalgia in divers. Cumulative pressure exposure during repetitive dives resulted in significant increase of MEB. Diving experience significantly reduced the MEB prevalence. Interestingly, the severity of MEB did not correlate with subjective complaints.

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 Felsch, Moritz UNSPECIFIED UNSPECIFIED UNSPECIFIED Kluenter, Heinz-Dieter UNSPECIFIED UNSPECIFIED UNSPECIFIED Pracht, Eberhard Daniel 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:38-260948
DOI:	10.1097/MAO.0000000000001158
Journal or Publication Title:	Otol. Neurotol.
Volume:	37
Number:	9
Page Range:	S. 1325 - 1332
Date:	2016
Publisher:	LIPPINCOTT WILLIAMS & WILKINS
Place of Publication:	PHILADELPHIA
ISSN:	1537-4505
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language EUSTACHIAN-TUBE FUNCTION; OTORHINOLARYNGOLOGIC DISORDERS; DECOMPRESSION-SICKNESS; MEDICINE; FIELD Multiple languages Clinical Neurology; Otorhinolaryngology Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/26094