Dataset Information

Significantly lower intramuscular pressure in the posterior and lateral compartments compared with the anterior compartment suggests alterations of the diagnostic criteria for chronic exertional compartment syndrome in the lower leg.

ABSTRACT:

Purpose

To investigate distributions and identify possible differences in intramuscular pressure (IMP) values at 1 min post-exercise between the four muscle compartments of the lower leg, in patients with exertional leg pain with or without chronic exertional compartment syndrome (CECS).

Methods

A consecutive series of patients seeking orthopaedic consultation for exertional leg pain underwent IMP measurements between 2009 and 2018. The diagnosis of CECS was confirmed (n = 442) or ruled out (n = 422), based on the patient's history, clinical examination, and IMP measurements.

Results

The median (range) 1 min post-exercise IMP values in affected compartments in the patients diagnosed with CECS were 33 (25-53) mmHg (deep posterior), 35 (27-54) mmHg (superficial posterior), 40 (26-106) mmHg (lateral), and 47 (24-120) mmHg (anterior). In patients with no CECS, the median (range) 1 min post-exercise IMP values in the compartments were 12 (2-28) mmHg (deep posterior), 12 (2-27) mmHg (superficial posterior), 14 (2-26) mmHg (lateral), and 18 (4-34) mmHg (anterior). The IMP was significantly lower in the lateral and both posterior compartments than in the anterior compartment in both patients diagnosed with CECS and patients without CECS.

Conclusion

The study demonstrates significantly lower IMP values in the posterior and lateral compartments compared to the anterior compartments. These findings suggest a lowering of the IMP 1 min post-exercise cut-off value for diagnosing CECS in the lateral and both posterior compartments, which may lead to improved treatment of patients with suspected CECS in the lower leg.

Level of evidence

Level II.

SUBMITTER: Lindorsson S

PROVIDER: S-EPMC7973917 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundChronic exertional compartment syndrome (CECS) is primarily seen in running athletes. Previous outcomes of surgical treatment with fasciotomy have suggested moderate pain relief, but evidence is lacking regarding postoperative return to running.HypothesisRunning athletes with limiting symptoms of CECS will show high rates of return to running after fasciotomy.Study designCase series.Level of evidenceLevel 4.MethodsRunning athletes treated with fasciotomy for CECS at a single institution were identified using a surgical database and asked to complete a questionnaire designed to assess postoperative pain, activity level, return to running, running distances, overall satisfaction, and rate of revision fasciotomy.ResultsA total of 43 runners met the inclusion criteria, and 32 runners completed outcomes questionnaires at a mean postoperative follow-up of 66 months. In total, 27 of these 32 patients (84%) returned to sport(s) after fasciotomy. However, 9 (28%) of these patients pursued nonrunning sports, 5 (16%) due to recurrent pain with running. Of the 18 patients who returned to running sports (56%), the mean weekly running distance decreased postoperatively. Recurrence of symptoms was reported in 6 patients (19%), 4 of whom had returned to running and 2 of whom had been unable to return to sports. All of these 6 patients elected to undergo revision fasciotomy surgery. Twenty-five (78.1%) patients reported being satisfied with their procedure. In the overall cohort, the mean visual analog scale scores for pain during activities/sports decreased from 7.9 preoperatively to 1.7 postoperatively.ConclusionFasciotomy for CECS in runners may provide significant improvement in pain and satisfaction in over three-quarters of patients and return to sports in 84% of patients. However, only 56% returned to competitive running activity, with a subset (19%) developing recurrent symptoms resulting in revision surgery.Clinical relevanceFasciotomy has been shown to decrease pain in most patients with CECS. This study provides outcomes in running athletes after fasciotomy for CECS with regard to return to sports, maintenance of sports performance, and rates of revision surgery.