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Biomedical subjects

V Hänig

Publications and source records attributed to V Hänig.

5 recordsLinked to original sources
PubMed2002

Recurrent isolated calf muscle thrombosis due to a venous aneurysm of the soleal muscle veins.

A rare case of venous aneurysm involving the soleal muscle vein in an 18-year-old woman is presented. The patients showed three episodes of ultrasonographically proven calf muscle thrombosis within 2 years. After a short course of low-molecular-weight heparin at a therapeutic dosage, complete thrombus recanalization was achieved. To prevent further thrombotic episodes, surgery including ligation and resection of the aneurysm was performed. At the 3-month follow-up study the patient had completely recovered.

Adolescent↗
PubMed2001

[Acute limb ischemia].

PATHOPHYSIOLOGY: Signs and symptoms of acute limb ischemia follow the pathophysiology of the disease. If embolism--mainly of cardiac origin--hits a previously unaffected vessel, and if the same embolus occludes the anatomically preexisting collateral vessel, complete ischemia will occur. TREATMENT: Only a revascularization procedure without any delay will be able to avert major amputation; however, once the ischemia/reperfusion cascade has been started, the limb is threatened even after successful revascularization. If acute ischemia results from local arterial thrombosis in an atherosclerotic vessel system a sufficient number of collateral vessels may be recruited within a short time period; thus, borderline compensation of the perfusion is achieved in most cases. This situation allows for thorough angiographic evaluation of the whole arterial tree of the affected limb as well as for perioperative risk assessment of the patient. These are the prerequisites for a technically ambitious revascularization procedure which is needed in most of the older patients with significant comorbidity.

Acute Disease↗
PubMed1998

[Detection of aneurysm in subarachnoid hemorrhage--CT angiography vs. digital subtraction angiography].

PURPOSE: The value of CT-angiography (CT-A) for the visualization of intracranial aneurysms was more closely defined by comparison with digital subtraction angiography (DSA). METHODS: Over a period of 18 months a total of 106 patients in whom a subarachnoidal hemorrhage had been detected on native CT were examined in parallel by spiral CT and DSA. CT-angiography was performed under standardized parameters and included processing with 3D surface reconstructions. RESULTS: In 64 patients (60.4%) a total of 72 aneurysms were detected. In four cases (6.2%) there were two and in two cases (3.1%) even three aneurysms. The findings of DSA and CTA agreed in 98 cases (92.5%). In four patients (3.8%) a false negative result was obtained in CTA and the initial DSA. CONCLUSIONS: Digital subtraction angiography must still be considered as the gold standard in the diagnosis of cerebral aneurysms. On account of its excellent spatial delineation of aneurysms and possibilities for exact measurements, CT-angiography represents a valuable, supplementary method--in some cases also an alternative method--to digital subtraction angiography.

Adult↗
PubMed1997

[Endovascular stent in spontaneous arteriovenous fistula of the common iliac artery].

In a 64 years old patient with increasing oedema of the legs and massive untreatable ascites, colour coded duplex sonography and angiography revealed a wide arteriovenous fistula (AVF) of unknown origin between right common iliac artery and vein. Avoiding surgical intervention, the AVF was eliminated by applying an endovascular stent covering the site of the fistula. After intervention oedema and ascites disappeared, and colour doppler half a year later showed a good long term result.

Angiography↗