International journal of obstetric anesthesia
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Int J Obstet Anesth · Jan 2010
Case ReportsAnesthetic management of a patient with cleidocranial dysplasia undergoing various obstetric procedures.
Patients with cleidocranial dysplasia, a rare autosomal dominant genetic syndrome, possess abnormal anatomical features of the head, mouth, neck and spinal column. These features may result in perioperative problems such as difficult airway and complicated regional anesthesia. We report the anesthetic management of a young woman with cleidocranial dysplasia undergoing four caesarean sections, one vaginal delivery and a dilatation and curettage, employing different modes of anesthesia. Anesthetic management in this disorder presents challenges for both general and neuraxial anesthesia.
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Int J Obstet Anesth · Jan 2010
Intrathecal anesthesia for cesarean delivery via a subarachnoid drain in a woman with benign intracranial hypertension.
A 26-year-old primiparous patient with intractable benign intracranial hypertension treated by cerebrospinal fluid drainage through an indwelling spinal catheter was expecting twins. At 30 weeks she presented for emergent cesarean delivery secondary to a non-reassuring fetal condition. In consultation with the neurosurgical team, spinal anesthesia for the cesarean delivery was induced successfully through the spinal catheter. Cesarean delivery proceeded uneventfully with a favorable neonatal outcome.
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Int J Obstet Anesth · Jan 2010
Estimation of blood haemoglobin concentration using the HemoCue during caesarean section: the effect of sampling site.
Haemoglobin concentration measured using the HemoCue is accurate for capillary and venous/arterial blood, provided the recommended sampling method is strictly observed. Analysis of blood, particularly of capillary samples, using the HemoCue is useful during caesarean section. The toe might be preferred to the thumb since it is numb during neuraxial anaesthesia, but whether sampling at either site is accurate in this situation, given the cardiovascular effects of anaesthesia and pregnancy, is not known. We aimed to compare haemoglobin values measured in venous and capillary samples (toe and thumb) during caesarean section under neuraxial anaesthesia. ⋯ Our results suggest that in terms of accuracy, the two sites are equally suitable for use during caesarean section under neuraxial anaesthesia.
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Int J Obstet Anesth · Jan 2010
Comparative StudyAnalgesic requirements and postoperative recovery after scheduled compared to unplanned cesarean delivery: a retrospective chart review.
Studies examining the effects of various analgesics and anesthetics on postoperative pain following cesarean delivery conventionally use the scheduled cesarean population. This study compares postoperative analgesic requirements and recovery profiles in women undergoing scheduled cesarean compared to unplanned cesarean delivery following labor. We postulated that unplanned cesarean deliveries may increase postoperative analgesic requirements. ⋯ The results indicate that women experience similar pain and analgesic requirements after scheduled compared to unplanned cesarean delivery. This suggests that the non-scheduled cesarean population may be a suitable pain model to study pain management strategies; and that alterations in pain management are not necessary for the unplanned cesarean delivery population.
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Int J Obstet Anesth · Jan 2010
Case ReportsUnintentional subdural catheter placement during labor analgesia shows typical radiological pattern but atypical response to the Tsui test.
Subdural injection may be associated with abnormally extensive or limited spread of local anesthetics during neuraxial anesthesia. This complication is difficult to diagnose clinically. Radiological imaging is the gold standard for confirming the location of subdural catheter, but electrical stimulation of the catheter has also been described as a useful diagnostic tool. ⋯ Electrical stimulation of the catheter did not elicit muscle contractions until a current of 4 mAmp was attained, which is the response pattern of epidural placement. Subdural location of the catheter was subsequently confirmed by contrast radiography. This case adds to the evidence that subdural catheters are difficult to identify clinically, and that electrical stimulation may not differentiate them from epidural catheters.