Abstract
Neurovascular contact (NVC) is considered a frequent cause of classical trigeminal neuralgia (TN) and transposition of a blood vessel in the potentially dangerous procedure of microvascular decompression is considered over other surgical options in medically refractory TN. However, prevalence of NVC has not been investigated in a representative neurological TN patient cohort using high-quality imaging and blinded evaluator.
Highlights
Neurovascular contact (NVC) is considered a frequent cause of classical trigeminal neuralgia (TN) and transposition of a blood vessel in the potentially dangerous procedure of microvascular decompression is considered over other surgical options in medically refractory TN
Aim We aimed to investigate whether presence and degree of NVC are correlated to pain side in TN
NVC in general was prevalent on both symptomatic and asymptomatic side (89% vs. 78%, p = 0.014, OR = 2.4 (1.2-4.8), p = 0.017) while severe NVC was highly prevalent on symptomatic compared to asymptomatic side (53% vs. 13%, p < 0.001, OR = 11.6 (4.7-28.9), p < 0.001)
Summary
Neurovascular contact (NVC) is considered a frequent cause of classical trigeminal neuralgia (TN) and transposition of a blood vessel in the potentially dangerous procedure of microvascular decompression is considered over other surgical options in medically refractory TN. Significance of neurovascular contact in classical trigeminal neuralgia S Maarbjerg1*, F Wolfram2, A Gozalov1, J Olesen1, L Bendtsen1
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