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Abstract Background Cerebral infarction (CI) is an unusual complication in patients with bleeding disorders. To our knowledge, this is the first case of postoperative internal border-zone infarction (I-BZI) from Hemophilia A. Case presentation We present a case of Hemophilia A developing I-BZI, after surgical treatment of giant hemophilic pseudotumor. A 36-year-old man was introduced from other hospital by Hemophilia with giant hemophilic pseudotumor in his left thigh. Patient and his relatives did not have a history of thrombophilia. After excluding the relevant surgical contraindications, we performed the operation of pseudotumor resection. Prior to surgery, blood tests revealed hemoglobin of 137 g/L. FVIII activity was 1.5%. Activated partial thromboplastin time (APTT) was 71.50 s and D-dimer was 3.33 mg/L FEU. Immediately before surgery, the patient received an intravenous infusion of FVIII products (Xyntha®) at a dose of 3500 IU for his body weight of 80 kg. Post-operative day two (POD2), patient developed vomiting, decreased response, and dysarthria. Hemoglobin was 54 g/L with blood pressure of 110/70 mmHg. Magnetic resonance imaging of the brain showed there were multiple acute cerebral infarctions in bilateral lateral ventricles (internal border zone) and multiple ischemic foci in the white matter areas and basal ganglia of the bilateral cerebral hemispheres. This case suggested that acute severe anemia can be one of the causes of I-BZI. Conclusions For the treatment of I-BZI caused by acute anemia from Hemophilia A, volume expansion, red blood cell supplement and continuous improvement of coagulation with suitable dose of factor VIII (FVIII) should be considered to improve prognosis.

Background: Cerebral infarction (CI) is an unusual complication in patients with bleeding disorders. To our knowledge, this is the first case of postoperative internal border-zone infarction (I-BZI) from Hemophilia A.Case Presentation: We present a case of Hemophilia A developing I-BZI, after surgical treatment of giant hemophilic pseudotumor. A 36-year-old man was introduced from other hospital by Hemophilia with giant hemophilic pseudotumor in his left thigh. Patient and his relatives did not have a history of thrombophilia. After excluding the relevant surgical contraindications, we performed the operation of pseudotumor resection. Prior to surgery, blood tests revealed hemoglobin of 137 g/L. FVIII activity was 1.5%. Activated partial thromboplastin time (APTT) was 71.50 s and D-dimer was 3.33 mg/L FEU. Immediately before surgery, the patient received an intravenous infusion of FVIII products (Xyntha®) at a dose of 3500 IU for his body weight of 80 kg. Post-operative day two (POD2), patient developed vomiting, decreased response, and dysarthria. Hemoglobin was 54 g/L with blood pressure of 110/70 mmHg. Magnetic resonance imaging of the brain showed there were multiple acute cerebral infarctions in bilateral lateral ventricles (internal border zone) and multiple ischemic foci in the white matter areas and basal ganglia of the bilateral cerebral hemispheres. This case suggested that acute severe anemia can be one of the causes of I-BZI.Conclusions: For the treatment of I-BZI caused by acute anemia from Hemophilia A, volume expansion, red blood cell supplement and continuous improvement of coagulation with suitable dose of factor VIII (FVIII) should be considered to improve prognosis. [ABSTRACT FROM AUTHOR]

Hemophilic pseudotumor is a rare and serious complication of hemophilia, often occurring in the long bones and muscle tissue of the extremities, with an incidence of about 1–2%. However, there is no effective surgical treatment for massive hemophilia pseudotumors of the extremities. Therefore, we would like to report this case to provide new ideas and methods for the treatment of massive hemophilic pseudotumors of the extremities through resection and total femoral prosthesis reconstruction. After admission, the patient first underwent a month-long coagulation factor replacement therapy to maintain the patient's factor IX level at approximately 100%. Then, extensive resection of hemophilic pseudotumor and total femoral prosthesis reconstruction was performed in collaboration with several departments, and we collected the patient's preoperative, intraoperative and postoperative data for analysis. After coagulation factor replacement therapy the patient's factor IX level was significantly increased and approached 100%. The surgical procedure was uneventful, and postoperative X-ray suggested a well-positioned prosthesis with postoperative pathological features consistent with a hemophilic pseudotumor. The patient was able to move around with the assistance of a walker 14 days after surgery, and there was no recurrence after one year of follow-up. For treat the massive hemophilic pseudotumors of the extremities, extensive resection and prosthetic replacement with coagulation factor replacement therapy is a safe and effective treatment that can significantly improve the prognosis and quality of life of patients. • This is the first report of such a large hemophilic pseudotumor of the proximal extremities with severe pathological fractures. • This is the first report of the application of extensive resection and total femoral prosthetic reconstruction for the treatment of hemophilic pseudotumors of the extremities. • Good prognosis achieved by standardized coagulation factor replacement therapy in combination with surgical treatment. • We hope that this case report can provide new ideas for the treatment of hemophilia pseudotumors of the extremities and functional reconstructive surgery of the extremities. [ABSTRACT FROM AUTHOR]