Should closed reduction of the dislocated hip be attempted after failed Pavlik harness treatment in developmental dysplasia of the hip?

AIMS: To determine the likelihood of achieving a successful closed reduction (CR) of a dislocated hip in developmental dysplasia of the hip (DDH) after failed Pavlik harness treatment We report the rate of avascular necrosis (AVN) and the need for further surgical procedures. METHODS: Data was obtained from the Northern Ireland DDH database. All children who underwent an attempted closed reduction between 2011 and 2016 were identified. Children with a dislocated hip that failed Pavlik harness treatment were included in the study. Successful closed reduction was defined as a hip that reduced in theatre and remained reduced. Most recent imaging was assessed for the presence of AVN using the Kalamchi and MacEwen classification. RESULTS: There were 644 dislocated hips in 543 patients initially treated in Pavlik harness. In all, 67 hips failed Pavlik harness treatment and proceeded to arthrogram (CR) under general anaesthetic at an average age of 180 days. The number of hips that were deemed reduced in theatre was 46 of the 67 (69%). A total of 11 hips re-dislocated and underwent open reduction, giving a true successful CR rate of 52%. For the total cohort of 67 hips that went to theatre for arthrogram and attempted CR, five (7%) developed clinically significant AVN at an average follow-up of four years and one month, while none of the 35 hips whose reduction was truly successful developed clinically significant AVN. CONCLUSION: The likelihood of a successful closed reduction of a dislocated hip in the Northern Ireland population, which has failed Pavlik harness treatment, is 52% with a clinically significant AVN rate of 7%. As such, we continue to advocate closed reduction under general anaesthetic for the hip that has failed Pavlik harness. Cite this article: Bone Jt Open 2021;2(8):584-588.

Extra-articular fixation for treatment of Lisfranc injury.

Lisfranc injuries are not very common. Surgical options available for treatment of Lisfranc injuries have produced chronic pain and disability due to the damage to the articular surface, leading to early arthritis. We describe the technique of extra-articular fixation using dorsal plates for Lisfranc injury, avoiding any damage to the articular surface.

Mechanism of loosening of the Souter-Strathclyde total elbow replacement evidence from revision surgery.

Nine Souter-Strathclyde humeral and ulnar components retrieved from revision surgery for aseptic loosening were examined macro- and microscopically. The wear patterns were compared and photographed. Humeral components demonstrated no evidence of wear. All ulnar components exhibited similar wear patterns. Six of the nine exhibited macroscopic evidence taking the form of deep linear grooves on either the medial or lateral articulating surfaces. Microscopic examinations revealed wear on all nine, exhibited as disruption of the polyethylene machining lines on the articular surfaces, but almost complete preservation on the central gliding ridge. We believe our observations are explained by 'rocking' of the humeral component on the ulnar as a result of the congruent surfaces of the Souter-Strathclyde prosthesis, which resist rotational and translational movements, characteristic of the normal elbow.

Effects of epidural opioid analgesics on heart rate, arterial blood pressure, respiratory rate, body temperature, and behavior in horses.

Heart rate, arterial blood pressures, respiratory rate, body temperature, and central nervous system excitement were compared before and after epidural administration of morphine (0.1 mg/kg), butorphanol (0.08 mg/kg), alfentanil (0.02 mg/kg), tramadol (1.0 mg/kg), the k-opioid agonist U50488H (0.08 mg/kg), or sterile water using an incomplete Latin square crossover design in five conscious adult horses. Treatments were administered into the first intercoccygeal epidural space. Significant (P <.05) reductions in respiratory rate were detected after epidural administration of morphine, alfentanil, U50488H, and sterile water. Additionally, significant (P <.05) head ptosis was observed within the first hour after administration of morphine, U50488H, and tramadol, but neither of these changes appeared to be of clinical significance. No treatment-related changes in motor activity or behavior were observed.

An isolated proximal tibiofibular joint dislocation in a young male playing soccer: a case report.

Isolated dislocation of the proximal tibiofibular joint is a rare injury. We present a 23-year-old caucasian man who sustained a traumatic anterolateral dislocation of the proximal tibiofibular joint. There is no consenus on definitive management, and we review the different published treatment and rehabilitation regimens for this injury. Our patient was successfully treated by open reduction and temporary Kirschner-wire fixation. The authors recommend their structured rehabilitation process involved using cast brace immobilization as allows for excellent soft tissue healing.

Epidural anesthesia and analgesia in horses.

Intercoccygeal, or caudal, epidural injection of local anesthetics is a convenient method of producing analgesia and local anesthesia of the tail and perineal structures in conscious standing horses. This technique has been further developed to provide long duration analgesia and anesthesia by placement of catheters into the epidural space of horses. More recently, opioid, alpha-2 adrenergic agonists, ketamine and other analgesic agents have been administered by caudal epidural injection, providing pain relief in both conscious, standing and anesthetized, recumbent horses. This chapter describes the development of different anesthetic and analgesic epidural techniques in horses, methods for epidural injection and catheterization, and reviews the current literature related to epidural analgesia and pain control in horses.

How long is urinary cytology abnormal after flexible cystoscopy?

OBJECTIVE: To examine the urinary cytological changes caused by flexible cystoscopy and provide clinical guidelines for a reliable time interval for urinary cytological examination after flexible cystoscopy. PATIENTS AND METHODS: Forty-eight patients attending for flexible cystoscopy were recruited into the study. Each patient was asked to provide eight urine samples before, immediately after and at 1, 2, 7, 14 and 28 days after cystoscopy. Cytospin preparations of the urine samples were made and slides stained using the Papanicolaou stain. Cytology was analysed while unaware of sample origin, by three different cytopathologists. RESULTS: The cytological changes were characterized by a striking increase in cellularity immediately after flexible cystoscopy, mostly accounted for by urothelial cells. Consistent morphological changes included the formation of 'columnar' cells, papillary clusters, increased nucleo-cytoplasmic ratio and nuclear atypia. These changes were transient, with most disappearing within a day of flexible cystoscopy. CONCLUSIONS: There are cytological changes, on voided urine cytology, after flexible cystoscopy but they were transient, and urine sent more than a day after flexible cystoscopy should be free from artefactual change caused by instrumentation. These results suggest that clinicians sending urine for cytological analysis should provide information about the nature and timing of any endoscopy so as to avoid false-positive interpretations of urine cytology by the cytopathologist.