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为了探讨A－G图及AG数诊断及定量判断膀胱出口梗阻（BOO）及其临床应用价值，对205例前列腺增生（BPH）患者进行压力-流率测定。结果表明：171例患者被诊断为BOO，34例为非梗阻；151例患者位于A－G图梗阻区（O区），39例位于可疑区（E区），15例位于非梗阻区（U区）。E区患者中，20例为梗阻者，19例为非梗阻者；O区、E区、U区患者AG数分别为195．6±38．2、32．3±5．8及-32．4±15．6。32例前列腺摘除术患者术后AG数降低203．3±23．6，O区病例数降低26例，U区病例数增加29例。认为在临床工作中，使用A－G图诊断BOO以及使用AG数对BOO进行定量判断具有重要意义；
To investigate the diagnosis and quantitative evaluation of bladder outlet obstruction (BOO) and its clinical value with A-G and AG numbers, 205 patients with benign prostatic hyperplasia (BPH) were measured for pressure-flow rate. The results showed that: 171 patients were diagnosed as BOO, 34 patients were non-obstructive; 151 patients were located in obstructive area A-G (O area), 39 were in suspicious area (E area), 15 were in non-obstructive area Area). E patients, 20 patients were obstructive, 19 patients were non-obstructive; O, E, U patients AG number were 195.6 ± 38.2,32.3 ± 5.8 and -32. In the 4 ± 15.6.3 cases of prostatectomy, the number of AG decreased by 203.3 ± 23.6, the number of cases in zone O decreased by 26 and the number of cases in zone U increased by 29. In clinical work, it is of great significance to use B-A to diagnose BOO and quantitatively determine BOO using AG numbers.