Background:
Pleural-subarachnoid fistula (PSF) is a rare disease that is difficult to diagnose and treat. Secondary intracranial hypertension and the treatment are seldom mentioned previously among PSF.
Case presentation:
A 1-year-old boy diagnosed PSF developed into secondary intracranial hypertension after conservative treatment. He was finally cured by down-step treatment of mannitol, avoiding form ventricle-peritoneal shunt. Then, we reviewed the literature of pleural-subarachnoid fistula. Fifty-six cases have been reported so far. Most of the cases (51.8%) were caused by surgery; only 17.9% were caused by car accidents. Regarding the treatment, half of the cases cured by surgery and the other by conservative measures. Our case is the first one involving secondary intracranial hypertension and cured by down-step treatment of mannitol.
Conclusions:
A comprehensive examination should be performed before the treatment to avoid any inappropriate medical strategies. Secondary acute intracranial hypertension may be cured by down step treatment of mannitol, evading from the long-term ventriculoperitoneal shunt.