Electrocardiographic Changes Induced by Insertion of an Intrauterine Device and Other Uterine Manipulations

Aznar, R; Reynoso, Leobardo; Ley, Eligio; Gámez, Raúl; León, Manuel Diaz de

doi:10.1016/s0015-0282(16)41600-6

Cited by 12 publications

(1 citation statement)

References 9 publications

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“…Another study has shown that the incidence of bradycardia is dependent on IUD type, with large and stiff IUDs associated with a higher frequency of bradycardia. 7 Convulsions are a rare complication of IUD insertion and have been estimated to have an incidence of 1 in 2000 insertions. 8 No studies on risk factors for convulsions at insertion were identified by the literature search.…”

Section: Introductionmentioning

confidence: 99%

Intrauterine device insertion-related complications: can they be predicted?

Farmer

Webb²

2003

j fam plann reprod health care

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IntroductionAs a result of a critical event experienced during a postcoital intrauterine device (IUD) insertion procedure, this study was undertaken to see whether lessons could be learned and applied in future practice in order to prevent further events. If insertions at high risk of complications can be predicted and risk factors for these insertions identified, then it may be possible to reduce the incidence of problems at insertion or at least be prepared for a possible adverse event.One hypothesis is that because of patient anxiety after unprotected intercourse, postcoital insertions have an increased incidence of complications or failure. The alternative hypothesis, namely that there is no difference between complication incidence in postcoital and routine insertions, is also a possibility. It may be that a higher proportion of patients having postcoital insertions are nulliparous and that this increases the incidence of insertion problems. If IUD insertion complications cannot be predicted then there needs to be constant awareness of this possibility and updating of resuscitation techniques.A MEDLINE search from 1966 to 2001 revealed few recent studies on IUD insertion failures and complications and the data quite often did not relate to modern IUDs in use today. Some risk factors for IUD insertion complications and failure have already been identified. However, whether an insertion is postcoital (as opposed to routine) had not been studied as a risk factor in the studies identified.The insertion-related complications of interest in this study included insertion failure, problems negotiating the cervix, syncope, bradycardia, convulsions, perforation and expulsion.From the literature search one author identified that the incidence of IUD insertion failure was between 2.3 and 8.3 per 1000 insertions, 1,2 and pain during the insertion procedure was associated with increased likelihood of IUD insertion failure. However, as this is a concomitant event it cannot be used to predict patients at high risk of an insertion failure.Risk factors for cervical spasm have not been studied directly. However, nulliparity is a risk factor for requiring cervical dilatation, and breastfeeding women are less likely to require cervical dilatation. 3 Syncope has also been studied, revealing an incidence at IUD insertion of 2.1%. 4 The risk factors identified from previous studies are moderate to severe pain at insertion 4 and nulliparity. 5 Electrocardiographic changes induced by Dalkon ® shield insertion have been studied in one series of 25 women of whom 24 were nulliparous. This study reported an incidence of sinus bradycardia (<60 bpm) of 32%. 6 Transient arrhythmias were noted in two patients. Another study has shown that the incidence of bradycardia is dependent on IUD type, with large and stiff IUDs associated with a higher frequency of bradycardia.

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Section: Introductionmentioning

confidence: 99%