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1.
Acta Biomed ; 91(14-S): e2020030, 2020 12 30.
Article in English | MEDLINE | ID: mdl-33559638

ABSTRACT

BACKGROUND: Elbow dislocation is the second common dislocation in adults, after the shoulder. The anatomical proximity to the joint of the brachial artery could lead to concomitant vascular injuries, even if their occurrence remains very rare. METHOD: It is reported the case of a right-hand-dominant  42-year-old man who sustained a simple closed  posterior elbow dislocation of  his left elbow, associated to a complete brachial artery rupture. He urgently underwent the reduction of the joint dislocation and an artery-repairing surgical procedure using a graft from ipsilateral saphenous vein. RESULTS: The full functional capacity of the elbow was obtained. CONCLUSIONS: The abundance of the brachial artery collateral network may hide the presence of a vascular injury,  potentially associated to a closed elbow dislocation. Therefore, a high index of suspicious should be maintained. The Emergency Team plays a crucial role in its early diagnosis, which is essential to avoid irreversible ischemia related damages. A prompt reduction of the joint dislocation and the vascular injury surgical repair are required. Regarding the treatment of the concomitant collateral ligaments and capsular injuries, the indication to proceed to the simultaneous ligaments reconstruction is still controversial in literature.


Subject(s)
Elbow Joint , Joint Dislocations , Adult , Brachial Artery/diagnostic imaging , Brachial Artery/surgery , Elbow , Elbow Joint/diagnostic imaging , Elbow Joint/surgery , Humans , Joint Dislocations/diagnostic imaging , Joint Dislocations/surgery , Male , Rupture
2.
Acta Biomed ; 88(2S): 45-47, 2017 06 07.
Article in English | MEDLINE | ID: mdl-28657562

ABSTRACT

BACKGROUND AND AIM OF THE WORK: The international literature and analysis of the prosthetic registers highlight a significant relationship between the alignment of the components and the survival of prosthetic implants of the knee. The patient specific instrumentation (PSI) technology exploits the data obtained with the MRN for the production of cutting blocks (CB) useful to a TKA. Revisiting the recent international literature, comparing the results of the conventional method and PSI, numerous studies confirm a statistically significant difference of inliers (± 3 degrees) for HKA. The purpose of this retrospective study was to investigate whether these statistically significant difference is also present in our group. METHODS: Postoperative radiographic measures of alignment based on a mechanical limb axis (hip-knee-ankle angle, HKA) of 180° were sought. A range of 180° ± 3° varus/valgus was defined as optimal for mechanical axis. RESULTS: The percentage of knees that had a HKA within ±3° of the desired value was 92.2. CONCLUSION: the CB did accurately produce the desired HKA. The PS system is an effective and reproducible, whose organizational effort is fully justified.


Subject(s)
Arthroplasty, Replacement, Knee/instrumentation , Bone Malalignment/epidemiology , Knee Prosthesis , Osteoarthritis, Knee/surgery , Arthroplasty, Replacement, Knee/adverse effects , Bone Malalignment/diagnosis , Humans , Prosthesis Design , Retrospective Studies
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