Need for additional anesthesia after single injection spinal analgesia for labor: a retrospective cohort study |
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| Affiliation: | 1. Departments of Anesthesiology, Mayo Clinic, Rochester, USA;2. Mayo Clinic School of Medicine, Mayo Clinic, Rochester, USA;3. Department of Biostatistics, Mayo Clinic, Rochester, USA;1. Department of Ophthalmology, University Hospital Split, Split, Croatia;2. Department of Anesthesiology, Reanimation and Intensive Care, University Hospital Split, University of Split School of Medicine, Split, Croatia;3. Laboratory for Pain Research, University of Split School of Medicine, Split, Croatia;1. Division of Anesthesia, Intensive Care and Pain, Tel Aviv Medical Center, Tel Aviv, Israel;2. Department of Anesthesiology and Critical Care Medicine, Hadassah Hebrew University Medical Center, Jerusalem, Israel |
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| Abstract: | BackgroundThere is little information about the use and efficacy of single injection spinal blocks for labor analgesia; specifically, how frequently subsequent analgesia or anesthesia is needed. This study determined how frequently an additional anesthetic intervention was needed in women who received single injection spinal analgesia.MethodsThis retrospective study examined electronic medical records to find all single injection spinal analgesic blocks for labor analgesia over a 14-year (2003–2016) period. Patient and block characteristics and patient outcomes were recorded. The primary outcome was need for an additional anesthetic intervention following single injection spinal for labor analgesia.ResultsFour-hundred-and-twenty-eight patients received single injection spinal blocks for labor and 60 (14.0%) needed an additional anesthetic either for labor analgesia (n=49) or an unexpected procedure (n=11). Two of these (0.5%) required general anesthesia. Parity of zero (nulliparous), a low cervical dilation at the time of the spinal injection, and induction of labor status, were associated with an increased risk of needing an additional anesthetic intervention.ConclusionsThis retrospective review provides evidence that single injection spinal anesthesia may be used for multiparous women with spontaneous labor and more advanced cervical dilation. |
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| Keywords: | Spinal Spinal analgesia Labor analgesia Single injection spinal Neuraxial anesthesia |
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