A Prospective Randomized Clinical Trial of Single vs. Double Layer Closure of Hysterotomy at the Time of Cesarean Delivery: The Effect on Uterine Scar Thickness

被引:13
|
作者
Bamberg, Christian [1 ]
Dudenhausen, Joachim W. [1 ]
Bujak, Verena [1 ]
Rodekamp, Elke [1 ]
Brauer, Martin [1 ]
Hinkson, Larry [1 ]
Kalache, Karim [2 ]
Henrich, Wolfgang [1 ]
机构
[1] Charite Univ Med Ctr, Dept Obstet, Berlin, Germany
[2] Sidra Med & Res Ctr, Dept Obstet & Gynecol, Maternal Fetal Med, Doha, Qatar
来源
ULTRASCHALL IN DER MEDIZIN | 2018年 / 39卷 / 03期
关键词
uterus; ultrasound; obstetrics; pregnancy; surgery; SECTION SURGICAL TECHNIQUES; ULTRASOUND EVALUATION; 2-LAYER CLOSURE; INCISION CLOSURE; RUPTURE; IMPACT; PREVALENCE; FACTORIAL; SEGMENT;
D O I
10.1055/s-0042-112223
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Purpose We undertook a randomized clinical trial to examine the outcome of a single vs. a double layer uterine closure using ultrasound to assess uterine scar thickness. Materials and Methods Participating women were allocated to one of three uterotomy suture techniques: continuous single layer unlocked suturing, continuous locked single layer suturing, or double layer suturing. Transvaginal ultrasound ofuterine scar thickness was performed 6 weeks and 6-24months after Cesarean delivery. Sonographers were blinded to the closure technique. Results An intent-to-treat and as treated ANOVA analysis included 435 patients (n=149 single layer unlocked suturing, n=157 single layer locked suturing, and n=129 double layer suturing). 6weeks postpartum, the median scar thickness didnot differ among the three groups: 10.0 (8.5-12.3mm) single layer unlocked vs. 10.1 (8.2-12.7mm) single layer locked vs. 10.8 (8.1-12.8mm) double layer; (p=0.84). At the time of thesecond follow-up, the uterine scar was not significantly (p=0.06) thicker if the uterus had been closed with a double layer closure 7.3 (5.7-9.1mm), compared to single layer unlocked 6.4(5.0-8.8mm) or locked suturing techniques 6.8 (5.2-8.7mm). Women who underwent primary or elective Cesarean delivery showed a significantly (p=0.03, p=0.02, as treated) increased median scar thickness after double layer closure vs. single layer unlocked suture. Conclusion A double layer closure of the hysterotomy is associated with a thicker myometrium scar only in primary or elective Cesarean deliverypatients. Zusammenfassung Ziel In der prospektiv randomisierten Studie wurde die Uterotomienarbe mittels transvaginalenUltraschalls nach ein- oder zweischichtiger Verschlusstechnik bei der Sectio Cesarea beurteilt. Material und Methoden Die Uterotomie wurde entweder einfach fortlaufend oder fortlaufend durchschlungen, uberwendlich oder zweischichtig verschlossen. Die transvaginale Messung der Narbendicke erfolgte nach 6 Wochen und 6-24 Monate postpartum, wobei die Untersucher fur die Nahtform verblindet waren. Ergebnisse In die "Intention-to-treat und "As treated ANOVA Analyse wurden 435 Patientinnen eingeschlossen (n=149 einfach fortlaufender Verschluss der Uterotomie, n=157 fortlaufend durchschlungen uberwendliche Naht, n=129 doppelteVerschlusstechnik). Sechs Wochen postpartum wardie mediane Narbendicke in allen drei Gruppen nicht signifikant unterschiedlich (p=0,84); 10,0 (8,5-12,3mm) einfach fortlaufende Naht vs. 10,1 (8,2-12,7mm) fortlaufend durchschlungen uberwendliche Naht vs 10,8 (8,1-12,8mm) doppelte Naht. Beim zweiten Follow-up war die Uterotomienarbe nicht signifikant unterschiedlich (p=0,06); nach einer doppelten Naht 7,3 (5,7-9,1mm), im Vergleich zur einfach fortlaufenden Naht 6,4 (5,0-8,8mm) oder fortlaufend durchschlungen uberwendlichen Naht 6,8 (5,2-8,7mm). Ausschliealich Schwangere, die ihren ersten oder elektiven Kaiserschnitt erhielten, zeigten eine signifikant (p=0,03, p=0,02, "As treated) dickere Uterotomienarbe nach doppelter Naht im Vergleich zu Frauen nach einfach fortlaufender Naht. Schlussfolgerung In unserem Studienkollektiv war die doppelte Naht im Vergleich zur einfach fortlaufenden Naht der Uterotomie nur bei Erstsectiones und elektiven Eingriffen mit einer signifikant dickeren Narbe assoziiert.
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页码:343 / 351
页数:9
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