Morgado P J, Wexner S D, Jorge J M
Department of Colorectal Surgery, Cleveland Clinic Florida, Fort Lauderdale 33309.
Dis Colon Rectum. 1994 Aug;37(8):820-3. doi: 10.1007/BF02050148.
Maximum resting and squeeze pressures have been the most widely employed parameters for manometric assessment of the anal sphincters. However, a single maximum value may not always be the best assessment.
The aim of this study was to compare mean and maximum resting and mean and maximum squeeze pressures in a large sample population. All manometric pressure profiles were reviewed by a single individual blinded to the patient's age and diagnosis.
Four hundred sixty-six patients with a measurable high-pressure zone were included in this study. The study population was comprised of 279 females and 186 males. A significant difference was found between mean (56.26 mmHg) and maximum (79.2 mmHg) resting pressures (P < 0.01) and also between mean (81.25 mmHg) and maximum (119.50 mmHg) squeeze pressures (P < 0.01). A significant difference (P < 0.01) was also observed when compared by length of the high-pressure zone.
The measurement, documentation, and reporting of mean resting and mean squeeze pressures provide a better perspective of anal manometric results, since the two sets of values are significantly different (P < 0.01), regardless of the anal canal length. Therefore, these data support the standardized evaluation of both mean and maximum pressures in individual patients and in published series.
最大静息压力和收缩压力一直是用于肛门括约肌测压评估的最广泛使用的参数。然而,单一的最大值可能并不总是最佳评估指标。
本研究的目的是比较大样本群体中的平均和最大静息压力以及平均和最大收缩压力。所有测压压力曲线均由一名对患者年龄和诊断不知情的个体进行审查。
本研究纳入了466例具有可测量高压区的患者。研究人群包括279名女性和186名男性。静息压力的平均值(56.26 mmHg)与最大值(79.2 mmHg)之间存在显著差异(P < 0.01),收缩压力的平均值(81.25 mmHg)与最大值(119.50 mmHg)之间也存在显著差异(P < 0.01)。按高压区长度进行比较时也观察到显著差异(P < 0.01)。
平均静息压力和平均收缩压力的测量、记录和报告能提供更好的肛门测压结果视角,因为这两组值存在显著差异(P < 0.01),与肛管长度无关。因此,这些数据支持对个体患者以及已发表系列中的平均压力和最大压力进行标准化评估。