Kang Byung Chul, Kang Woo Seok, Park Jun Woo, Park Jung-Hoon, Kim Kun Yung, Song Ho-Young, Park Hong Ju
Department of Otorhinolaryngology-Head and Neck Surgery, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.
Department of Otorhinolaryngology-Head & Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Clin Otolaryngol. 2018 Dec;43(6):1573-1577. doi: 10.1111/coa.13218. Epub 2018 Sep 12.
To measure the diameter of inflated balloons at different pressures during Eustachian tube (ET) balloon dilation under fluoroscopic guidance.
Prospective cohort study.
Tertiary academic referral centre.
Eighteen patients who underwent ET balloon dilation with use of a balloon catheter, 20 mm long and 6 mm in diameter, under combined endoscopic and fluoroscopic guidance.
Degrees of inflation at three different portions (proximal, middle and distal) of the balloon at controlled pressures (3, 5, 8 and 10 atmospheres [atm]) and at the maximum pressure manually applied.
The mean proximal, middle and distal diameters of the inflated balloons were 5.3 ± 0.4 mm, 5.3 ± 0.4 mm and 4.9 ± 0.5 mm at 10 atm. The distal diameters were significantly smaller than middle and proximal diameters at all the pressures (P < 0.01). When compared to the distal diameter (100%, 4.9 ± 0.5 mm) at 10 atm, the distal diameters were 73% (3.6 ± 0.6 mm) at 3 atm, 88% (4.3 ± 0.5 mm) at 5 atm and 96% (4.7 ± 0.4 mm) at 8 atm. The distal diameter (4.1 ± 0.3 mm) at the maximum pressure manually applied was in between those at 3 and 5 atm.
The distal diameter of the balloon increased significantly as a function of the pressure and most (88%) inflation occurred at a low pressure of 5 atm, which was sufficient to inflate the distal diameter of the balloon more than 3 mm. The manual pressurisation could inflate a balloon by as much as could be expected, at between 3 and 5 atm.
在荧光镜引导下测量咽鼓管球囊扩张术期间不同压力下充气球囊的直径。
前瞻性队列研究。
三级学术转诊中心。
18例患者在联合内镜和荧光镜引导下，使用长度为20mm、直径为6mm的球囊导管进行咽鼓管球囊扩张术。
在控制压力（3、5、8和10个大气压[atm]）以及手动施加的最大压力下，球囊三个不同部位（近端、中部和远端）的膨胀程度。
在10个大气压下，充气球囊的近端、中部和远端平均直径分别为5.3±0.4mm、5.3±0.4mm和4.9±0.5mm。在所有压力下，远端直径均显著小于中部和近端直径（P<0.01）。与10个大气压下的远端直径（100%，4.9±0.5mm）相比，3个大气压下远端直径为73%（3.6±0.6mm），5个大气压下为88%（4.3±0.5mm），8个大气压下为96%（4.7±0.4mm）。手动施加最大压力时的远端直径（4.1±0.3mm）介于3个和5个大气压时的直径之间。
球囊的远端直径随压力显著增加，且大部分（88%）膨胀发生在5个大气压的低压下，该压力足以使球囊远端直径膨胀超过3mm。手动加压可使球囊在3至5个大气压之间达到预期的膨胀程度。
