TY - GEN AU - Stendel,R AU - Gramm,H J AU - Schröder,K AU - Lober,C AU - Brock,M TI - Transcranial Doppler ultrasonography as a screening technique for detection of a patent foramen ovale before surgery in the sitting position SN - 0003-3022 PY - 2000///1027 KW - Adult KW - Aged KW - Contrast Media KW - therapeutic use KW - Echocardiography, Transesophageal KW - methods KW - Embolism, Air KW - etiology KW - Embolism, Paradoxical KW - Female KW - Heart Septal Defects, Atrial KW - complications KW - Humans KW - Male KW - Middle Aged KW - Neurosurgical Procedures KW - adverse effects KW - Posture KW - physiology KW - Predictive Value of Tests KW - Preoperative Care KW - Prospective Studies KW - Sensitivity and Specificity KW - Ultrasonography, Doppler, Transcranial N1 - Publication Type: Clinical Trial; Comparative Study; Journal Article UR - https://doi.org/10.1097/00000542-200010000-00016 ER -