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ORIGINAL ARTICLE
Year : 2020  |  Volume : 14  |  Issue : 2  |  Page : 277-282

Use of peripheral nerve blocks in perioperative management of cases with hypertrophic cardiomyopathy undergoing lower limb orthopedic surgeries


1 Department of Anesthesiology, MGM Medical College and LSK Hospital, Kishanganj, Bihar, India
2 Department of Biochemistry, MGM Medical College and LSK Hospital, Kishanganj, Bihar, India

Correspondence Address:
Dr. Manasij Mitra
Department of Anesthesiology, MGM Medical College and LSK Hospital, Purab Palli, Kishanganj - 855 107, Bihar
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aer.AER_48_20

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Hypertrophic obstructive cardiomyopathy is a type of hypertrophic cardiomyopathy (HCM) that involves the left ventricular outflow tract obstruction. Most important parameters are preload, afterload, and ventricular contractility that are prone to fluctuations in HOCM patients in the perioperative period due to the surgical procedure, anesthetic agents and changes in intravascular volume. These lead to increased chances of arrhythmias and myocardial ischemia and can pose significant morbidity and mortality in HCM patients perioperatively. Here, we report three challenging cases of HCM with comorbidities who underwent successful operative management of lower limb fractures using regional nerve blocks. Although general anaesthesia is usually preferred in cases of HCM, this was not the preferred choice in these cases due to the asthmatic status, extremes of age, and also associated comorbidities such as chronic kidney disease Stage IV on maintenance hemodialysis. We selected Ultrasonography and peripheral nerve stimulator (PNS) guided regional nerve blocks including lumbar plexus and parasacral approach of sciatic nerve block in the first two patients and fascia iliaca compartment block with parasacral sciatic nerve block in the third case to successfully manage the patients perioperatively. Postoperative pain management was satisfactory. All the patients were discharged in a hemodynamically stable condition with advice for follow-up.


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