Peripheral Microvascular Resistance as a Predictor for Limb Salvage in Post-Intervention Critical Limb Ischemia Patients
Salvaging a threatened limb is the key therapeutic objective for patients with critical limb ischemia, and the achievement of limb salvage is an independent predictor of patient morbidity and mortality. Despite successful primary endovascular or surgical intervention, the corresponding symptoms of rest pain and/or non-healing ulceration in some patients may continue, and amputation in these patients is unavoidable. It is hypothesized that the functional integrity of the peripheral vascular microcirculation may be impaired in these patients. However, there are currently no techniques that allow direct quantification and visualization of the microcirculation due to the micro-vessel invisibility under angiography.
In the coronary circulation, coronary flow reserve (CFR) indicates the capacity for maximal hyperemic blood flow and reveals impaired coronary microvascular function. Studies have shown the clinical significance of measuring microvascular resistance to predict myocardial salvage after myocardial infarction. The study will explore whether this concept of coronary flow reserve can be applied peripherally to patients with critical limb ischemia in order to determine whether measuring peripheral vascular flow reserve can determine the integrity of the microcirculation to predict limb salvage after endovascular intervention.
MISTOSUS: Iscador® P (Mistletoe) Immunotherapy To Improve Event Free Survival In Patients With Relapsed Osteosarcoma After Resection Of Pulmonary Metastases
This will be a phase II, single arm study of osteosarcoma patients with fully resected pulmonary metastases. The MTD corresponds to the dosage recommendations of the manufacturer of Iscador® P which is licensed in Sweden, New Zealand, South Korea, Germany and Switzerland for the treatment of solid tumors and precancerous lesions.
The study population includes patients with relapse of osteosarcoma in the lung following surgical resection of all gross disease (2nd or greater CR). Following completion of final thoracotomy, they will be treated with Iscador® P at concentrations up to the MTD with surveillance imaging via CT scan to monitor for relapsed disease.
Evaluation of the Effects of Ketorolac 15mg IV Versus 30mg IV on Duration of Analgesia in Patients Who Present to the Emergency Department With Renal Colic
This is a prospective interventional study examining the effect of ketorolac at doses of 15mg versus 30 mg for duration of analgesia in emergency department patients with suspected renal colic.
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