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2010 ; 12
(9
): 1322-8
Nephropedia Template TP
gab.com Text
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Twit Text #
English Wikipedia
A dedicated investigation unit improves management of syncopal attacks (Syncope
Study of Unselected Population in Malmo--SYSTEMA I)
#MMPMID20507854
Fedorowski A
; Burri P
; Juul-Möller S
; Melander O
Europace
2010[Sep]; 12
(9
): 1322-8
PMID20507854
show ga
AIMS: To investigate whether a systematic approach to unexplained syncopal
attacks based on the European Society of Cardiology guidelines would improve the
diagnostic and therapeutic outcomes. METHODS AND RESULTS: Patients presenting
with transient loss of consciousness to the Emergency Department of Skåne
University Hospital in Malmö were registered by triage staff. Those with
established cardiac, neurological, or other definite aetiology and those with
advanced dementia were excluded. The remaining patients were offered evaluation
based on an expanded head-up tilt test protocol, which included carotid sinus
massage, and nitroglycerine challenge if needed. Out of 201 patients registered
over a period of 6 months, 129 (64.2%) were found to be eligible; of these, 101
(38.6% men, mean age 66.3 +/- 18.4 years) decided to participate in the study.
Head-up tilt test allowed diagnoses in 91 cases (90.1%). Vasovagal syncope (VVS)
was detected in 45, carotid sinus hypersensitivity (CSH) in 27, and orthostatic
hypotension (OH) in 51 patients. Twelve patients with VVS and 15 with CSH also
had OH, whereas 25 were diagnosed with OH only. In a multivariate logistic
regression, OH was independently associated with age [OR (per year): 1.05, 95% CI
1.02-1.08, P = 0.001], history of hypertension (2.73, 1.05-7.09, P = 0.039),
lowered estimated glomerular filtration rate (per 10 mL/min/1.73 m(2): 1.17,
1.01-1.33, P = 0.032), use of loop diuretics (10.44, 1.22-89.08, P = 0.032), and
calcium-channel blockers (5.29, 1.03-27.14, P = 0.046), while CSH with age [(per
year) 1.12, 1.05-1.19, P < 0.001), use of angiotensin-converting enzyme
inhibitor/angiotensin receptor blocker (4.46, 1.22-16.24, P = 0.023), and
nitrates (27.88, 1.99-389.81, P = 0.013). CONCLUSION: A systematic approach to
patients presenting with unexplained syncopal attacks considerably increased
diagnostic efficacy and accuracy. Potential syncope diagnoses have a tendency to
overlap and show diversity in demographic, anamnestic, and pharmacological
determinants.