Utility of the heated lidocaine/tetracaine patch in the treatment of pain associated with shoulder impingement syndrome: a pilot study
نویسندگان
چکیده
INTRODUCTION Pain control is an important first step in the treatment of shoulder impingement syndrome (SIS) because fear of pain must be removed as an obstacle to participation in an appropriate physical therapy program. METHODS Adult patients with SIS-associated pain of at least 2 weeks' duration and who had an average pain score of ≥4 on the zero- to ten-point Numeric Pain Rating Scale were eligible to enroll in this 2-week pilot study. Patients were treated with the heated lidocaine/tetracaine (70 mg/70 mg) patch (HLT patch) placed over the site of shoulder tenderness each morning and evening for a period of 2 to 4 hours. Average and worst pain during the previous 24 hours and shoulder range of motion were assessed at baseline and on Day 14. Results were expressed as change and percent change from baseline to Day 14. This pilot study was not powered for rigorous statistical analysis. RESULTS Twenty patients (seven male, 13 female; average age 51.2 ± 10.8 years [mean ± standard deviation]) enrolled in this study, and 18 patients completed the protocol. The mean average pain score at baseline was 5.5 ± 1.1 (range 4 to 8). In the per-protocol population, average and worst pain scores declined by 2.4 ± 2.0 and 3.7 ± 2.7 points, respectively. Two-thirds of the patients demonstrated a clinically meaningful ≥30% decline in average pain score, and half of the patients demonstrated a ≥50% decline in average pain score. Shoulder internal rotation increased by 29.7° ± 21.8° and abduction increased by 40.0° ± 44.2°. Application-site erythema was reported by ten patients at some time during the study. CONCLUSION Patients treated with the HLT patch for 14 days demonstrated clinically meaningful improvement in pain intensity and range of motion. Further controlled research is necessary to characterize the efficacy and tolerability of the HLT patch in the treatment of SIS.
منابع مشابه
Heated lidocaine-tetracaine patch for management of shoulder impingement syndrome.
Shoulder impingement syndrome (SIS), a chronic shoulder pain condition, often stems from repetitive overhead activities. In the current report, the author presents 2 cases of SIS. In the first, a woman with a history of SIS found that physical therapy and subacromial steroid injections, while effective, were problematic for long-term use. Previous use in the author's practice demonstrated conve...
متن کاملA randomized clinical study of the heated lidocaine/tetracaine patch versus subacromial corticosteroid injection for the treatment of pain associated with shoulder impingement syndrome
BACKGROUND Treatment for pain due to shoulder impingement syndrome (SIS) typically begins conservatively with nonsteroidal anti-inflammatory drugs and physical therapy and can include subacromial injection of corticosteroids, particularly in patients unresponsive to conservative measures. The heated lidocaine/tetracaine (HLT) patch has been reported to reduce SIS pain in a small case series. ...
متن کاملlidocaine/tetracaine patch versus subacromial corticosteroid injection for the treatment of pain associated with shoulder impingement syndrome
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متن کاملHeated lidocaine/tetracaine patch for treatment of patellar tendinopathy pain
INTRODUCTION The pain of patellar tendinopathy (PT) may be mediated by neuronal glutamate and sodium channels. Lidocaine and tetracaine block both of these channels. This study tested the self-heated lidocaine-tetracaine patch (HLT patch) in patients with PT confirmed by physical examination to determine if the HLT patch might relieve pain and improve function. METHODS Thirteen patients with ...
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عنوان ژورنال:
دوره 6 شماره
صفحات -
تاریخ انتشار 2013