Pietilä J P, Nordström R E, Virkkunen P J, Voutilainen P E, Rintala A E
I Department of Surgery, Helsinki University Central Hospital, Finland.
Plast Reconstr Surg. 1988 Feb;81(2):204-7. doi: 10.1097/00006534-198802000-00011.
Temporary overexpansion of the tissues at each filling session increased the actual inflation volume by about 59 percent. This shortened the process of tissue expansion considerably. "Overexpansion" means that the pressure in the expander is increased to a point where the dermal capillary flow is zero or the patient experiences so much discomfort that inflation cannot be carried out any further. The pressure in the expander is thereafter gradually decreased by taking out saline until both the capillary refill and all other clinical criteria are sufficient for safe dermal circulation. Comparison of the expander volume at the final pressure to the initial filling volume at the same pressure before the "overfilling" confirmed an average gain of about 59 percent in 14 patients.
每次填充过程中组织的临时过度扩张使实际膨胀体积增加了约59%。这大大缩短了组织扩张的过程。“过度扩张”是指扩张器内的压力增加到真皮毛细血管血流为零的程度，或者患者感到非常不适以至于无法再进行膨胀。此后，通过抽出盐水逐渐降低扩张器内的压力，直到毛细血管再充盈和所有其他临床标准都足以保证安全的真皮循环。将最终压力下的扩张器体积与“过度填充”前相同压力下的初始填充体积进行比较，证实14例患者的平均增加约59%。
