야간근육경련의 페니토인 치료효과: 예비연구
Efficacy of Phenytoin for Nocturnal Muscle Cramps: A Preliminary Study
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Background: Nocturnal muscle cramps are sudden, involuntary, painful muscle contractions that occur in the night andare accompanied by hardening of the muscles. Many symptomatic treatments have been introduced for nocturnalmuscle cramps, such as quinine, magnesium, and phenytoin. However, the efficacy and safety of these drugs have notbeen adequately evaluated. To demonstrate the efficacy and safety of phenytoin treatment for nocturnal muscle cramps,we conducted a retrospective study of 16 patients with nocturnal muscle cramps. Methods: We reviewed 16 patients (6 men, 10 women) who suffered frequent nocturnal muscle cramps and were treatedwith phenytoin. The patients’ clinical information (age, sex, disease duration, and locations of cramps), treatment dosage,and frequency of cramps were obtained by reviewing their medical records. Results: The patients were aged 63.1±14.7 years (mean±SD; age range, 30-80 years; median age, 68 years). Twelve andfour patients received phenytoin doses of 100 and 200 mg/day, respectively. The median duration of medication was51 days (range, 14-378 days). Phenytoin treatment was effective in all patients; 13 patients (81.3%) experienced a totalremission of their symptoms, and a significant reduction (66.7-85.7%) in the frequency of cramps was found in theremaining 3 patients. No adverse effects were reported by any of the patients. Conclusions: While this retrospective study was conducted with only a small number of patients, the clinical resultssuggest that phenytoin is a safe and helpful therapy for the treatment of nocturnal muscle cramps.
Abstract
Background: Nocturnal muscle cramps are sudden, involuntary, painful muscle contractions that occur in the night andare accompanied by hardening of the muscles. Many symptomatic treatments have been introduced for nocturnalmuscle cramps, such as quinine, magnesium, and phenytoin. However, the efficacy and safety of these drugs have notbeen adequately evaluated. To demonstrate the efficacy and safety of phenytoin treatment for nocturnal muscle cramps,we conducted a retrospective study of 16 patients with nocturnal muscle cramps. Methods: We reviewed 16 patients (6 men, 10 women) who suffered frequent nocturnal muscle cramps and were treatedwith phenytoin. The patients’ clinical information (age, sex, disease duration, and locations of cramps), treatment dosage,and frequency of cramps were obtained by reviewing their medical records. Results: The patients were aged 63.1±14.7 years (mean±SD; age range, 30-80 years; median age, 68 years). Twelve andfour patients received phenytoin doses of 100 and 200 mg/day, respectively. The median duration of medication was51 days (range, 14-378 days). Phenytoin treatment was effective in all patients; 13 patients (81.3%) experienced a totalremission of their symptoms, and a significant reduction (66.7-85.7%) in the frequency of cramps was found in theremaining 3 patients. No adverse effects were reported by any of the patients. Conclusions: While this retrospective study was conducted with only a small number of patients, the clinical resultssuggest that phenytoin is a safe and helpful therapy for the treatment of nocturnal muscle cramps.
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