Villar-Quiles, R-N;
Garcia-Moreno, H;
Mayo, D;
Gutierrez-Viedma, A;
Ramos, M-I;
Casas-Limon, J;
Cuadrado, M-L;
(2018)
Infratrochlear neuralgia: A prospective series of seven patients treated with infratrochlear nerve blocks.
Cephalalgia
, 38
(3)
pp. 585-591.
10.1177/0333102417690493.
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Abstract
BACKGROUND: Infratrochlear neuralgia is a recently described painful cranial neuropathy that causes pain in the internal angle of the orbit and the medial upper eyelid, the upper bridge of the nose and/or the lacrimal caruncle. We aim to present seven new cases of infratrochlear neuralgia treated with anaesthetic nerve blocks. METHODS: Over an 18-month period, we prospectively identified seven cases of infratrochlear neuralgia among the patients attending the Headache Unit in a tertiary hospital. Anaesthetic blocks were performed by injecting 0.5 cc of bupivacaine 0.5% at the emergence of the nerve above the internal canthus. RESULTS: All patients were women, and the mean age was 49.1 years (standard deviation, 17.9). The pain appeared at the internal angle of the orbit and/or the medial upper eyelid in six cases, and the whole territory of the infratrochlear nerve in one case. Six patients had continuous pain and one had episodes lasting 8–24 hours. All patients showed sensory disturbances within the painful area and tenderness upon palpation of the infratrochlear nerve. Nerve blocks resulted in complete and long-lasting relief in four patients and short-lasting relief in the other three patients. CONCLUSIONS: Infratrochlear neuralgia should be considered among the neuralgic causes of orbital and periorbital pain. Anaesthetic blocks may assist clinicians in the diagnosis and may also be an effective therapy.
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