Knowledge about lower leg chronic exertional compartment syndrome (CECS) is largely obtained from highly selected populations. Patient characteristics may therefore not be appropriate for the general population. Our purpose was to describe a heterogeneous population of individuals suspected of lower leg CECS and to identify predictors of CECS. Charts of individuals who were analyzed for exercise-induced lower leg pain in a referral center between 2001 and 2013 were retrospectively studied. Patients were included if history and physical examination were suggestive of CECS and if they had undergone a dynamic intracompartmental pressure measurement. Six hundred ninety-eight of 1411 individuals were diagnosed with CECS in one or more of three lower leg muscle compartments (anterior tibial, deep flexor, lateral). Prevalence of CECS peaked around the age of 20-25 years and decreased thereafter, although a plateau around 50 years was found. Age, gender, bilateral symptoms, previous lower leg pathology, sports (running and skating) and tender muscle compartments were identified as independent predictors of lower leg CECS. The proposed predictive model has moderate discriminative ability (AUC 0.66) and good calibration over the complete range of predicted probabilities. The predictive model, displayed as a nomogram, may aid in selecting individuals requiring an invasive dynamic intracompartmental muscle pressure measurement.
Fasciotomy was beneficial in 71% of patients with dp-CECS in the lower leg; 47% of study patients experienced a good to excellent outcome. Outcomes were stable in the long term. Persistent complaints were often caused by other untreated conditions.
This fasciotome was simple to use and allowed for a safe fasciotomy in patients with leg ant-CECS. A randomized controlled trial comparing the present device with a widely used fasciotome was under way at the time of writing of this study.
Background:Lower leg chronic exertional compartment syndrome (CECS) is usually diagnosed in young and athletic individuals. The presence of CECS in older patients has received little attention in the literature, and patient characteristics are unknown.Purpose:To determine the prevalence of CECS in older patients (≥50 years) and to assess whether older patients with CECS differ clinically from younger patients with CECS.Study Design:Cohort study; Level of evidence, 3.Methods:All individuals with exercise-induced lower leg pain who visited a referral center for CECS between January 2001 and December 2013 were eligible for analysis. Patients were included if history, physical examination, and dynamic intracompartmental pressure measurement indicated CECS. Characteristics of patients 50 years of age or older were compared with characteristics of patients younger than 50.Results:A total of 698 patients with CECS were included: 98 patients were aged 50 years or older and 600 patients were younger than 50 years. Older individuals more often reported a history of lower leg events or comorbidities (≥50 years, 45% vs <50 years, 25%; P < .01) and unilateral symptoms (≥50 years, 45% vs <50 years, 22%; P < .01). Most older patients (62%) did not participate in sport or only walked or hiked, whereas the same was true of only 7% of the younger population. Pain (≥50 years, 94%; <50 years, 96%) and tightness (≥50 years, 57%; <50 years, 62%) were the predominant symptoms of CECS in both groups. Type of CECS differed significantly (P < .01); the anterior muscle compartment was involved more frequently in older patients (≥50 years, 82% vs <50 years, 59%) and deep flexor muscle CECS was more often diagnosed in younger patients (≥50 years, 26% vs <50 years, 53%).Conclusion:In the present population, 1 in 7 patients diagnosed with lower leg CECS was 50 years of age or older. These individuals were less active and had more comorbidities than patients younger than 50 years. Older individuals predominantly have anterior CECS. Clinicians should consider CECS in older individuals with exercise-induced lower leg pain, particularly if it is unilateral.
Background: Up to 8% of patients who underwent a fasciotomy for leg anterior chronic exertional compartment syndrome (ant-CECS) report sensory deficits suggestive of iatrogenic superficial peroneal nerve (SPN) injury. In the current study we aimed to thoroughly assess the risk of SPN injury during a semiblind fasciotomy of the anterior compartment using 2 separate approaches. Methods: A modified semiblind fasciotomy of the anterior compartment was performed via a longitudinal 2-cm skin incision 2 cm lateral of the anterior tibial crest halfway along the line fibular head-lateral malleolus both in cadaver legs and in patients with ant-CECS. In the cadaver legs, the skin was removed after the procedure and possible SPN injuries and spatial relationships between the SPN and the opened fascia were studied. Between January 2013 and December 2016, 64 ant-CECS patients who underwent a fasciotomy of the anterior compartment were prospectively followed. Iatrogenic SPN injuries were assessed using questionnaires and physical examinations. Results: Macroscopic SPN nerve injury was not observed in any of the 9 cadaver legs. In 8 specimens, the SPN was located at least 5 mm posterolateral to the opened fascia. In 1 specimen, an undamaged SPN branch crossed the operative field in a ventral plane. De novo sensory deficits suggestive for iatrogenic SPN injury were not observed in any of the 64 patients (120 legs; 36 females; median age, 22 years) who underwent a fasciotomy of the anterior compartment. Conclusion: The proposed semiblind fasciotomy for treatment of ant-CECS was not associated with SPN injury in either the cadaveric study or our clinical series. Level of Evidence: Level IV, case series.
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