malposition


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malposition

[¦mal·pə′zish·ən]
(medicine)
Abnormal position of an organ or other body structure, or of the fetus.
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Furthermore, review of both the preprocedural and postprocedural radiographic images for significant differences or abnormalities is another crucial step.[2],[3] Prompt recognition and tube repositioning can result in limited damage and improve outcomes in cases of tube malposition.
Catheter malposition and subcutaneous flexures may be detected on chest Xrays or by fluoroscopic evaluations and catheter should be repositioned accordingly.3
The other causes of CRI in this group was chronic otitis media--active squamous disease (three ears), middle ear infection (two ears), electrode array extrusion (one ear which coexisted with chronic otitis media--active squamous disease) and electrode array malposition (one ear).
If the tube required readjustment on bronchoscopy, it was labelled as DLT malposition. DLT was considered migrated if it required to be moved more than 0.5cm to correct its position.
03 babies extracted with assistance were found to be malpositioned. There was difficult in the extraction of one baby, which was after coming head of breech and intraoperatively diagnosed as unicornuate uterus.
However, as can be seen in this case, relying on ultrasound only for finding the vein and guiding the needle is not enough and did not prevent the malposition of the catheter.
Acetabular cup was 52 mm and was placed too vertical; malposition of the components is a risk factor for pseudotumour [8].
Muhm et al., "Malposition of central venous catheters.
There are three types of volvulus presenting in the prenatal or newborn period, namely, classic type, segmental type, and volvulus without malposition. Firstly, the classic type is defined as malposition of bowel due to clockwise rotation of the small bowel and ascending colon, around the superior mesenteric artery without evidence of any anomaly predisposing to the rotation [6].
The art of instrumental delivery (use of forceps and vacuum), though existing for centuries, has earned a disreputation due to the possibility of poor maternal and foetal outcome.1 The incidence of instrumental vaginal delivery ranges between 10% and 20% of all deliveries.2 Foetal indication commonly encountered is malposition of the foetal head with relative dystocia3 and foetal distress.
Dysfunction of the implanted devices from occlusion, migration, or malposition is occasionally encountered, and various complications can occur if the dysfunctional device is not retrieved.