puncturelocatingesophagusseptalhundredsdeviseclearlyimpressionvalidity
摘要：<正>Objective To devise the safety and validity of clinical application of esophagus radiographic locating method of transseptal puncture. Methods Four hundreds and eighty-six patients who were undergone transseptal puncture were randomized into two groups. Esophagus radiographic locating method of tansseptal puncture was applied in the study group(n=243) and modified-Ross locating method was used in the control group(n=243). After successful location, transseptal puncture was made. Then observe the success rate and complication incidences of the 2 groups. Results Left atria impression in the study group was clearly seen. 120 cases in control group could not shown clearly the left atria silhouette. The success rate of locating transseptal puncture in the study group and control group were 100% and 50.6 % respectively(P<0.001). The success rate of transeptal puncture in the study group and control group was 99.6% and 45.7% respectively (P<0.001). There were no puncture complication in study group and pericardial tamponade occurred in 1 case in control group. Conclusion The esophagus radiographic locating method of transeptal puncture is accurate, safe and simple to perform. According to the radiographic result, to perform thetranseptal puncture can achieve high success rate with few complications.
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