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Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract

JADRANKA PAVIČIĆ ŠARIĆ   ORCID icon orcid.org/0000-0003-4124-8056 ; University Hospital Merkur, Department of Anesthesiology, Reanimatology and Intensive care, Zajčeva 19, Zagreb, Croatia
JELENA ZENKO ; University Hospital Merkur, Department of Anesthesiology, Reanimatology and Intensive care, Zajčeva 19, Zagreb, Croatia
VANJA VONČINA ; University Hospital Merkur, Department of Anesthesiology, Reanimatology and Intensive care, Zajčeva 19, Zagreb, Croatia
TAMARA LUPIS ; University Hospital Merkur, Department of Anesthesiology, Reanimatology and Intensive care, Zajčeva 19, Zagreb, Croatia
NATAŠA PAKLAR ; University Hospital Merkur, Department of Anesthesiology, Reanimatology and Intensive care, Zajčeva 19, Zagreb, Croatia

Puni tekst: engleski, pdf (878 KB) str. 287-290 preuzimanja: 376* citiraj
APA 6th Edition
PAVIČIĆ ŠARIĆ, J., ZENKO, J., VONČINA, V., LUPIS, T. i PAKLAR, N. (2015). Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract. Periodicum biologorum, 117 (2), 287-290. Preuzeto s https://hrcak.srce.hr/143050
MLA 8th Edition
PAVIČIĆ ŠARIĆ, JADRANKA, et al. "Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract." Periodicum biologorum, vol. 117, br. 2, 2015, str. 287-290. https://hrcak.srce.hr/143050. Citirano 17.02.2020.
Chicago 17th Edition
PAVIČIĆ ŠARIĆ, JADRANKA, JELENA ZENKO, VANJA VONČINA, TAMARA LUPIS i NATAŠA PAKLAR. "Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract." Periodicum biologorum 117, br. 2 (2015): 287-290. https://hrcak.srce.hr/143050
Harvard
PAVIČIĆ ŠARIĆ, J., et al. (2015). 'Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract', Periodicum biologorum, 117(2), str. 287-290. Preuzeto s: https://hrcak.srce.hr/143050 (Datum pristupa: 17.02.2020.)
Vancouver
PAVIČIĆ ŠARIĆ J, ZENKO J, VONČINA V, LUPIS T, PAKLAR N. Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract. Periodicum biologorum [Internet]. 2015 [pristupljeno 17.02.2020.];117(2):287-290. Dostupno na: https://hrcak.srce.hr/143050
IEEE
J. PAVIČIĆ ŠARIĆ, J. ZENKO, V. VONČINA, T. LUPIS i N. PAKLAR, "Effects of age on onset time and duration of sensory blockade in ultrasound guided supraclavicular block Abstract", Periodicum biologorum, vol.117, br. 2, str. 287-290, 2015. [Online]. Dostupno na: https://hrcak.srce.hr/143050. [Citirano: 17.02.2020.]

Sažetak
Background and purpose: Involutive changes of brachial plexus occur
with aging. The aim of this study was to determine if these changes would effect onset time and duration of sensory blockade in all four distal nerves of brachial plexus in middle aged (<50 years) and elderly patients (>65 years).

Materials and methods: Middle aged (N=22) and elderly patients
(N=22) undergoing upper limb surgery received an ultrasound guided supraclavicular block with a mixture of local anesthetics (50 : 50, 0.5% levobupivacaine, 2% lidocaine). The prospective, observer-blinded study method is a previously validated step-up/step-down sequential model where the local anesthetic volume for each following patient is determined by the outcome of the previous block. The starting volume was 30 ml. Only the blocks with complete sensory blockade in all four regions of distal nerves were analyzed
for the onset time and duration of sensory blockade.

Results and conclusions: The mean (SD) block onset time was 25.8±0.6 min and the mean (SD) block duration was 151.5±8.9 min in the entire middle aged group. In the entire elderly group, the mean (SD) block onset time was 21±0.82 min and the mean (SD) block duration was 195.75±14.99 min. The difference in both, onset time and duration was significant (P=0.0002, 95%CI 3.352–6.248; P=0.0023, 95% CI 65.63–22.95, respectively). In conclusion, local anesthetics have a faster onset time and longer duration of
sensory blockade in elderly due to alterations of peripheral nerves and increased sensitivity to local anesthetics.

Hrčak ID: 143050

URI
https://hrcak.srce.hr/143050

Posjeta: 547 *