Auditory function after spinal anaesthesia: the effect of differently designed spinal needles

Erol, Atilla; Topal, Ahmet; Arbağ, Hamdi; Kılıçaslan, Alper; Reisli, Ruhiye; Otelcioğlu, Şeref

doi:10.1097/eja.0b013e32831c89d4

Cited by 18 publications

(19 citation statements)

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“…5 Moreover, sharp needles are more likely to cause hearing loss than pencil point needles. 6 Additional CSF leakage during the process would generate this effect. More than one entry into the dura with the needle has greater potential for hearing loss than a single entry.…”

Section: Discussionmentioning

confidence: 99%

Sudden bilateral hearing loss after spinal anaesthesia

2015

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Section: Discussionmentioning

confidence: 99%

Sudden bilateral hearing loss after spinal anaesthesia

2015

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“…The incidence of hearing impairment after continuous anesthesia turned out to be higher (43%) than after the single shot (37%) [ 8 ]. Erol et al [ 6 ] observed that the incidence of hearing loss among patients in whom a 25-G Quincke spinal needle was used for spinal anesthesia was higher, than in those who received spinal anesthesia through a 25-G pencil-point or ball-pen needles. The same authors did not document significant differences in the incidence of hearing loss among patients subjected to anesthesia with 25-G pencil-point and ball-pen spinal needles [ 6 ].…”

Section: Discussionmentioning

confidence: 99%

“…Functional impairment of cochlear outer hair cells (OHCs) is postulated as a primary mechanism of transient hearing loss related to spinal anesthesia. The impairment results from a decrease in the perilymph pressure in the cochlea, occurring secondarily to a drop-off in cerebrospinal fluid resulting from spinal puncture [ 6 , 10 , 11 , 13 , 15 , 16 ]. The cochlear duct forms an anatomical connection between these 2 fluid spaces, allowing even distribution of their hydrostatic pressures.…”

Section: Introductionmentioning

confidence: 99%

Cochlear Function Monitoring after Spinal Anesthesia

et al. 2015

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BackgroundThe aim of the study was to examine the effect of spinal anesthesia on the function of cochlear outer hair cells (OHCs), determined by means of objective distortion product otoacoustic emissions (DPOAE) testing. To the best of our knowledge, our study was the second OAE-based analysis of cochlear function during spinal anesthesia, and the only experiment including such a large group of patients.Material/MethodsThe study included 20 patients (18 men and 2 women) subjected to a scheduled uretherorenoscopic lithotripsy with routine spinal anesthesia with 10 mg (2 ml) of 0.5% hyperbaric bupivacaine and 50 μg (1 ml) of fentanyl. The levels of DPOAEs and background noise at 1000–6000 Hz were recorded prior to and immediately after the anesthesia, and on the postoperative day 2.ResultsWe did not find significant differences between DPOAEs values recorded prior to and immediately after the anesthesia. The only exception pertained to 5652 Hz, at which a significantly higher level of DPOAEs was observed immediately after the anesthesia. The levels of DPOAEs at 2002 Hz and 2380 Hz collected on the postoperative day 2 were significantly higher than the respective baseline values. Irrespective of the frequency and time of testing, we did not find any significant differences between the recorded levels of background noise.ConclusionsOur findings point to the lack of a detrimental effect of spinal anesthesia on objectively evaluated cochlear function, and thus suggest that this method is safe, even for OHCs, which are extremely susceptible to exogenous and endogenous injuries.

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“…Podría estar relacionada con la técnica raquídea, pero la hipoacusia en los casos descritos en la bibliografía aparece a las 24-48 h y suele ceder tras el tratamiento con fluidoterapia o parche hemático (17)(18)(19). En este caso la fisiopatología es explicada por la aparición de un hidrops endolinfático por alteraciones de presión en el LCR tras una punción dural.…”

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Hipoacusia en un paciente tras administración de morfina intratecal

Pingarrón

Bartol

Vaquero

et al. 2014

Rev. Soc. Esp. Dolor

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Muriel C. Hipoacusia en un paciente tras administración de morfina intratecal. Rev Soc Esp Dolor 2014; 21(2): 89-91. ABSTRACTThe administration of intrathecal opioids is a common technique when treating patients with chronic pain. The chosen drug is morphine due to its pharmacokinetic characteristics that determine a good analgesic quality, still required monitoring of patients for the first 24 hours because of their fundamental risk of respiratory depression.We present a case of hearing loss associated with opioid intoxication after administration of morphine by intrathecal infusion pump in a patient with chronic pain with post-laminectomy syndrome. The patient was treated with respiratory support and continuous intravenous infusion of naloxone. The hearing loss reverted within one hour after gradual increase of the treatment. The different articles that we analyzed include nausea, vomiting, pruritus, urinary retention and respiratory depression as side effects of intrathecal morphine. There is no reference to the onset of hearing loss associated with intrathecal opioid intoxicaton in the literature we have reviewed so far.

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Auditory function after spinal anaesthesia: the effect of differently designed spinal needles

Abstract: Because the use of ballpen and pencil-point needles reduces hearing loss after spinal anaesthesia, these needles are preferred.

Cited by 18 publications

References 20 publications

Sudden bilateral hearing loss after spinal anaesthesia

Sudden bilateral hearing loss after spinal anaesthesia

Cochlear Function Monitoring after Spinal Anesthesia

Hipoacusia en un paciente tras administración de morfina intratecal

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