Abstract
Background. The purpose of this study was to evaluate whether certain factors could influence arterial impairment at presentation for treatment of popliteal artery entrapment syndrome (PAES) and whether its early diagnosis could optimize long-term results. Methods. Between 1979 and 1995, 30 patients were treated for PAES at our institution. Patients were characterized by age, risk factors, associated diseases, preoperative symptoms, affected side, dominant limb, duration of symptoms, musculotendinous structure causing the compression, arteriographic findings, arterial status at presentation, type of operation, postoperative complications, and long-term followup. Results. Twenty-nine (65%) limbs underwent musculotendinous section (MTS), 15 (33%) limbs underwent vascular reconstruction, and 1 (2%) was surgically explored. Patients submitted to MTS were younger (mean, 31 ± 3 years) than patients who underwent vascular reconstruction (mean, 41 ± 4 years; p < 0.05). MTS limbs had a greater number of minor symptoms compared with those that underwent vascular reconstruction (62% versus 20%; p < 0.02). Arteriogram showed that MTS limbs had a greater number of normal findings at rest when compared with limbs that underwent conventional reconstruction (85% versus 0%; p < 0.001). No specific factors influenced the arterial status at presentation. During follow-up, treadmill examination revealed that MTS limbs had a better response (96%) than limbs that had undergone vascular procedures (67%; p < 0.02). MTS limbs had a better long-term patency rate (mean, 87 ± 7 months) compared with limbs that were submitted to vascular reconstruction (mean, 107 ± 8 months) (95% versus 65%; p < 0.02). Conclusions. Because PAES is a progressive disease that can create serious vascular obstructive disease and no specific factors seem to influence the degree of vascular impairment, the detection and treatment of PAES at an early stage permit better long-term results.
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