Sjoerd P. F. T. Nota

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Introduction. Chondrosarcomas are malignant bone tumors that are characterized by the production of chondroid tissue. Since radiation therapy and chemotherapy have limited effect on chondrosarcoma, treatment of most patients depends on surgical resection. We conducted this study to identify independent predictive factors and survival characteristics for(More)
PURPOSE More effective therapy is needed for intrahepatic cholangiocarcinoma (ICC). The encouraging clinical results obtained with checkpoint molecule-specific monoclonal antibodies (mAb) have prompted us to investigate whether this type of immunotherapy may be applicable to ICC. The aims of this study were to determine whether (i) patients mount a T-cell(More)
BACKGROUND Illness (symptoms and disability) consistently correlates more with coping strategies and symptoms of depression than with pathophysiology or impairment. OBJECTIVE This study tested the primary null hypothesis that there is no correlation between verbal and nonverbal communication of pain (pain behavior) and upper extremity-specific disability(More)
BACKGROUND Patients in other countries use fewer opioids than patients in the United States with satisfactory pain relief. OBJECTIVE This study tested the null hypothesis that opioid intake after orthopedic surgery does not influence satisfaction with pain management. METHODS A total of 232 orthopedic surgical inpatients completed measures of pain(More)
BACKGROUND Self-efficacy is an effective coping strategy associated with less pain and disability. The Pain Self-Efficacy Questionnaire (PSEQ) is a valid and reliable tool to measure this strategy, but could be inconvenient to implement in a busy surgical practice owing to its length. OBJECTIVE The purpose of this study was to develop a shorter version of(More)
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