![]() This study aimed to evaluate the outcome of lacertus release in resolving median nerve symptoms. The three most common presenting symptoms in lacertus syndrome patients were loss of hand strength (95.6), loss of hand endurance/fatigue (73.3), and forearm pain (35.4). Surgical release of the lacertus consists of a small 2-cm incision that can be performed under local anesthesia. Presenting symptoms of lacertus syndrome (top) and combined lacertus and carpal tunnel syndromes (bottom). Johnson RK, Spinner M, Shrewsbury MM (1979) Median nerve entrapment syndrome in the proximal forearm. Essentially, lacertus syndrome is a subset of pronator syndrome and an uncommon diagnosis by itself. Hartz CR, Linscheid RL, Gramse RR, Daube JR (1981) The pronator teres syndrome: compressive neuropathy of the median nerve. Jordan SE (2020) The lacertus syndrome of the elbow in throwing athletes. Peters BR, Pripotnev S, Chi D, Mackinnon SE (2022) Complete foot drop with normal electrodiagnostic studies: Sunderland “zero” ischemic conduction block of the common peroneal nerve. Meyer P, Lintingre P-F, Pesquer L, Poussange N, Silvestre A, Dallaudière B (2018) The median nerve at the carpal tunnel … and elsewhere. Lacertus syndrome is a postexertional compartment syndrome, and the history can help elucidate this. The Author(s) under exclusive licence to SICOT aisbl. The Lacertus syndrome can be a debilitating problem when overlooked however, it can be easily diagnosed with a careful history and physical examination. The mean Pmax after the lacertus release decreased with an average 81.41%.Ī simple surgical release of the lacertus fibrosus significantly decreases the maximal perineural pressure of the median nerve at the level of the lacertus fibrosus during elbow flexion.īicipital aponeurosis Lacertus fibrosus Lacertus release Lacertus syndrome Median neuropathy Perineural pressure. The mean Pmax before the lacertus release was significantly different than the mean Pmax after the lacertus release (669.15 mmHg vs 77.01 mmHg, p = 0.0180). Perineural pressure of the median nerve at the level of the lacertus fibrosus was measured continuously during automated elbow flexions by the biceps brachii muscle. Seven upper limbs from four fresh cadavers were included. The clinical features of compression of the main trunk of the median nerve. This study evaluates if a lacertus release alters the maximal perineural pressure (Pmax) of the median nerve at the level of the lacertus fibrosus during elbow flexion. Thickened or tight lacertus fibrosus has been alluded to as a causal factor. This study evaluates if a lacertus release alters the maximal perineural pressure (Pmax) of the median nerve at the level of the lacertus fibrosus during elbow flexion. Lacertus syndrome with motor and/or sensory symptoms has been addressed with a minimally invasive surgical lacertus release. The Lacertus syndrome can be a debilitating problem when overlooked however, it can be easily diagnosed with a careful history and physical examination. Lacertus syndrome with motor and/or sensory symptoms has been addressed with a minimally invasive surgical lacertus release. ![]() The lacertus fibrosus (or bicipital aponeurosis) is a potential site of proximal median neuropathy at the elbow.
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