Displaying publications 21 - 40 of 96 in total

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  1. Tamburrelli FC, Perna A, Proietti L, Zirio G, Santagada DA, Genitiempo M
    Malays Orthop J, 2019 Nov;13(3):39-44.
    PMID: 31890109 DOI: 10.5704/MOJ.1911.007
    Introduction: Posterior percutaneous instrumentation may represent a challenge when multiple levels need to be instrumentated, especially when including the upper thoracic spine. The aim of the present study was to evaluate the technical feasibility and the long-term outcome of such long constructs in different surgical conditions. Materials and Methods: This investigation was a retrospective cohort study which included patients who underwent thoraco-lumbar percutaneous fixations. We collected clinical, surgical and radiological data, with a minimum follow-up of 24 months. Health-related quality-of-life, residual pain, instrumentation placement, and complications were studied. Results: A total of 18 procedures were enrolled, in which 182 screws were implanted, (170 positioned in thoracic and 12 in lumbar pedicles, respectively). No surgical complications or hardware failure occurred in our series, 6 out of 182 (3,2%) screws had a partial pedicle breach, without neurological impairment or need for surgical revision. Conclusion: According to our results, a fully posterior percutaneous approach for long thoraco-lumbar spine instrumentation can be considered safe and reproducible, although an adequate training is strictly required.
    Matched MeSH terms: Reoperation
  2. Kaul U, Patel TM, Zambahari R, Mullasari AS, Bahl VK, Stuteville M, et al.
    Indian Heart J, 2011 Sep-Oct;63(5):402-8.
    PMID: 23550416
    Asian patients have a uniquely high risk for heart disease compared to other ethnicities. Past drug eluting stent trials have examined mainly populations of European heritage. As a significant proportion of the real world population in the SPIRIT V single arm study is Asian, the study provides insight into how this population responds to stenting with the XIENCE V Everolimus Eluting Coronary Stent (EES).
    Matched MeSH terms: Reoperation
  3. Wazir NN, Shan Y, Mukundala VV, Gunalan R
    Singapore Med J, 2007 May;48(5):e138-40.
    PMID: 17453086
    Two cases of dislocation of total knee arthroplasty presented to us within the same week. The first patient is a 71-year-old woman who underwent bilateral primary total knee arthroplasty. The left knee dislocated three weeks after the surgery. Due to failure of conservative measures, she underwent revision total knee arthroplasty. The other patient is a 72-year-old woman presenting ten years after primary total knee arthroplasty, with a traumatic dislocation of the knee joint. She was treated as an outpatient with closed manipulative reduction.
    Matched MeSH terms: Reoperation
  4. Toh S, Yew DCM, Choong JJ, Chong TL, Harky A
    J Card Surg, 2020 Dec;35(12):3432-3439.
    PMID: 33001480 DOI: 10.1111/jocs.15070
    OBJECTIVE: We sought to compare clinical outcomes in patients with acute type A aortic dissection that undergone surgical repair during in-hours (IH) versus out-of-hours (OOH).

    METHODS: An electronic literature search was done till March 2020 to include studies with comparative cohorts of IH versus OOH. Primary outcomes were 30-day mortality, stroke, and reoperation for bleeding; secondary outcomes were acute kidney injury, total hospital stay, and intensive care unit stay.

    RESULTS: Six articles with a total of 3744 patients met the inclusion criteria. Mean age was similar, 60 ± 12 versus 60 ± 13 in IH versus OOH (p = .25). Aortic root and total arch replacement were similar in both cohorts, 22% in IH versus 25% in OOH (risk ratio [RR], 1.10; 95% confidence interval [CI: 0.78, 1.55]; p = .58) and 29% in IH versus 32% in OOH (RR, 0.96; 95% CI [0.89, 1.04], p = .37) respectively. Reoperation for bleeding and stroke rate were similar, with 18% in IH versus 23% in OOH (RR, 0.89; 95% CI [0.73, 1.08]; p = .24), and 12% in IH versus 13% in OOH (RR, 0.83; 95% CI [0.66, 1.03]; p = .09) respectively. Thirty-day mortality was significantly lower in IH (RR, 0.81; 95% CI [0.72, 0.90]; p = .0001).

    CONCLUSION: There was higher 30-day mortality rate during OOH surgery, yet this difference diminished following sensitivity analysis. There were no significant differences in major postoperative outcomes. Therefore, operating on such cases should be decided on clinical priority without delay.

    Matched MeSH terms: Reoperation
  5. Law GW, Koh J, Yew A, Howe TS
    Malays Orthop J, 2020 Mar;14(1):7-17.
    PMID: 32296476 DOI: 10.5704/MOJ.2003.002
    Introduction: Medial migration is the paradoxical migration of the femoral neck element (FNE) superomedially against gravity with respect to the intramedullary component of the cephalomedullary device, increasingly seen in the management of pertrochanteric hip fractures with the intramedullary nail. We postulate that the peculiar anti-gravity movement of the FNE in the medial migration phenomenon stems from a ratcheting mechanism at the intramedullary nail-FNE interface, which should inadvertently produce unique wear patterns on the FNE that can be seen with high-powered microscopy. By examining the wear patterns on retrieved implants from patients with medial migration, our study aims to draw clinical correlations to the ratcheting mechanism hypothesis.

    Material and Methods: Four FNEs were retrieved from revision surgeries of four patients with prior intramedullary nail fixation of their pertrochanteric hip fractures complicated by femoral head perforation. The FNEs were divided into two groups based on whether or not there was radiographic evidence of medial migration prior to the revisions. Wear patterns on the FNEs were then assessed using both scanning electron microscopy and light microscopy.

    Results: Repetitive, linearly-arranged, regularly-spaced, unique transverse scratch marks were found only in the group with medial migration, corresponding to the specific segment of the FNE that passed through the intramedullary component of the PFNA during medial migration. These scratch marks were absent in the group without medial migration.

    Conclusion: Our findings are in support of a ratcheting mechanism behind the medial migration phenomenon with repetitive toggling at the intramedullary nail-FNE interface and progressive propagation of the FNE against gravity.

    Matched MeSH terms: Reoperation
  6. Lo TS, Jaili SB, Ibrahim R
    Taiwan J Obstet Gynecol, 2017 Aug;56(4):534-537.
    PMID: 28805613 DOI: 10.1016/j.tjog.2016.10.004
    OBJECTIVE: Urethral diverticulum is uncommon, therefore appropriate evaluation, preoperative planning and counseling must be done in order to make correct diagnosis and prevent complications.

    MATERIALS AND METHODS: A case of anterior vaginal wall mass was treated elsewhere by a gynecologist as periurethral cyst abscess; incision and drainage were done but a symptom of pus discharge was observed after 2 weeks. Therefore, exploration, cyst wall excision and primary closure were done though histopathological examination surprisingly confirmed the presence of urethral tissue suggestive of diverticulum.

    RESULTS: Subsequently, she developed persistent urinary leakage along with urethrovaginal fistula for which they again performed pervaginal multilayer closure. Patient was later referred to us with recurrent urethrovaginal fistula. We performed posterior urethral fistulectomy with anterior vaginal wall flap and multilayer closure. Three years follow up reveals complete recovery.

    CONCLUSION: Even urethral diverticulum is a rare condition, should be kept in mind as early diagnosis and management.

    Matched MeSH terms: Reoperation
  7. Muhammad Abdul Jamil MK, Abdul Rashid AH, Ibrahim S
    J Pediatr Orthop B, 2013 May;22(3):207-12.
    PMID: 22182834 DOI: 10.1097/BPB.0b013e32834ecc01
    This preliminary report is on two patients with congenital pseudoarthrosis of the tibia who had a persistent nonunion following intramedullary rodding and bone grafting. We do not advocate repeated surgery to achieve union. When limb length discrepancy becomes greater than 5 cm, we proceeded with an Ilizarov procedure with the primary aim of equalizing limb length rather than achieving union. Healing of the pseudoarthrosis occurred in both patients after lengthening over the intramedullary rod without compression of the nonunion site. We believe that union occurs because of hyperaemia during the lengthening. This approach minimizes the repeated surgeries that are usually needed and thus ensures a more normal childhood without frequent hospitalizations.
    Matched MeSH terms: Reoperation
  8. Chidambaram S, Abd Halim AR, Yeap JK, Ibrahim S
    Med J Malaysia, 2005 Jul;60 Suppl C:91-8.
    PMID: 16381291
    Revision surgery following failed open reduction for developmental dysplasia of the hip (DDH) is technically demanding. We reviewed 12 patients in our institution that required a revision surgery between January 1994 and December 2003. The aims of this study are to identify the causes of redislocation after the primary open reduction and to determine the clinical and radiological outcome after the revision surgery. The mean age at presentation for DDH was 31 months (range 1-84) and the mean age at primary open reduction surgery was 38 months (range 15-84) and the mean age at revision surgery was 69 months (range 21-180). The mean follow-up period after revision surgery was 20 months (range 3-84). All the revision surgery was performed via an anterior Smith Peterson approach. The most common cause for redislocation was inadequate exposure and failure to release the obstructing soft tissues around the hip. The bony factors for redislocation included failure to perform a femoral shortening and excessive derotation of an anteverted femoral head combined with a Salter osteotomy. Three cases with posterior acetabular wall deficiency needed immobilization of the hip in extension as the hip tended to dislocate in flexion. Six patients had limb length discrepancy ranging from 1 cm to 4 cm and 50% developed avascular necrosis. Only 2 patients were asymptomatic and the majority had a limp and limitation of motion. All were pain free except one. In view of the technically demanding surgery and poor results after revision, the surgeon should recognize the pathology and ensure that the primary procedure achieves a stable and concentric reduction.
    Matched MeSH terms: Reoperation
  9. Fitzrol D, Idris B
    Childs Nerv Syst, 2019 06;35(6):1063-1065.
    PMID: 30806764 DOI: 10.1007/s00381-019-04089-0
    Silicone allergy in patients with ventricular shunts is uncommon hence easily missed. However, there are clinical features that could assist in identifying and diagnosing this condition. We discuss a case where a patient with a ventriculoperitoneal (VP) shunt presented to us with features suggestive of silicone allergy.
    Matched MeSH terms: Reoperation
  10. Chai FY, Farizal F, Jegan T
    Turk Neurosurg, 2013;23(4):561-3.
    PMID: 24101284 DOI: 10.5137/1019-5149.JTN.5724-12.1
    Ventriculostomy or external ventricular drain (EVD) placement by free-hand technique has a high malplacement rate. It is a blind procedure that often requires multiple attempts and revisions. To date, no neurological complication due to EVD malplacement has been reported in the literature. In this report, we present the first case of coma induced by a malplaced EVD and the patient regained consciousness after the drain was adjusted. Our discussion focused on various techniques that can improve the accuracy of EVD insertion. EVD insertion under image guidance provides better accuracy with limited disadvantages. We hypothesized that the patient's coma was due to the mass effect and irritation of the malplaced EVD exerted onto the ventral periaqueductal grey matter and the ascending neurons from upper brainstem.
    Matched MeSH terms: Reoperation
  11. Yap S, Jeyamalar R
    Med J Malaysia, 1987 Sep;42(3):182-5.
    PMID: 3506641
    Over a period of nine years, from June 1976 through May 1985, 18 cases of ruptured sinus of Valsalva aneurysms were seen at the University Hospital, Kuala Lumpur (UK KL). Seven of these cases were treated surgically. The majority of patients were males, with a mean age of 26.6 years. All cases were symptomatic. The site of aneurysm was the right coronary sinus in five patients and the non-coronary sinus in two patients. All aneurysms ruptured into the right ventricle. The fistula was closed via a transaortic approach. In addition, repair of the right heart chamber was necessary in six patients. There were no deaths. Clinically significant morbidity included aortic regurgitation in one patient and residual fistula requiring reoperation in another. The long term follow-up at two years was excellent.
    Matched MeSH terms: Reoperation
  12. Memon MA, Yunus RM, Memon B, Awaiz A, Khan S
    Surg Laparosc Endosc Percutan Tech, 2018 Dec;28(6):337-348.
    PMID: 30358650 DOI: 10.1097/SLE.0000000000000589
    AIMS AND OBJECTIVES: The aim was to conduct a systematic review and meta-analysis of the randomized evidence to determine the relative merits of perioperative outcomes of laparoscopic-assisted (LARR) versus open rectal resection (ORR) for proven rectal cancer.

    MATERIALS AND METHODS: A search of the Medline, Embase, Science Citation Index, Current Contents and PubMed databases identified English-language randomized clinical trials comparing LARR and ORR. The meta-analysis was prepared in accordance with the PRISMA statement. Thirteen outcome variables were analyzed. Random effects meta-analyses were performed due to heterogeneity.

    RESULTS: A total of 14 randomized clinical trials that included 3843 rectal resections (LARR 2096, ORR 1747) were analyzed. The summary point estimates favored LARR for the intraoperative blood loss, commencement of oral intake, first bowel movement, and length of hospital stay. There was significantly longer duration of operating time of 38.29 minutes for the LARR group. Other outcome variables such as total complications, postoperative pain, postoperative ileus, abdominal abscesses, postoperative anastomotic leak, reintervention and postoperative mortality rates were found to have comparable outcomes for both cohorts.

    CONCLUSIONS: LARR was associated with significantly reduced blood loss, quicker resumption of oral intake, earlier return of gastrointestinal function, and shorter length of hospital stay at the expense of significantly longer operating time. Postoperative morbidity and mortality and analgesia requirement for both these groups were comparable. LARR seems to be a safe and effective alternative to ORR; however, it needs to be performed in established colorectal units with experienced laparoscopic surgeons.

    Matched MeSH terms: Reoperation/statistics & numerical data
  13. Memon MA, Siddaiah-Subramanya M, Yunus RM, Memon B, Khan S
    Surg Laparosc Endosc Percutan Tech, 2019 Aug;29(4):221-232.
    PMID: 30855402 DOI: 10.1097/SLE.0000000000000655
    BACKGROUND: To explore the clinical outcomes, safety and effectiveness of suture cruroplasty versus mesh repair for large hiatal hernias (HHs) by an updated meta-analysis.

    MATERIAL AND METHODS: Randomized controlled trials evaluating the effects of these 2 treatment modalities were searched from PubMed and other electronic databases between January 1991 and July 2018. The outcome variables analyzed included operating time, complications, recurrence of HH or wrap migration, reoperation, hospital stay and quality of life.

    RESULTS: Five randomized controlled trials totaling 478 patients (suture=222, mesh=256) were analyzed. For reoperation variable, the odds ratio was significantly 3.26 times higher for the suture group. For recurrence of HH, the odds ratio for the suture group was nonsignificantly 1.65 times higher compared with the mesh group. Comparable effects were noted for all other variables.

    CONCLUSIONS: Mesh repair seems to be superior to suture cruroplasty for large HH repair. Therefore, the routine use of mesh may be advantageous in selected cases.

    Matched MeSH terms: Reoperation
  14. Koh KB
    Med J Malaysia, 1995 Sep;50(3):280-1.
    PMID: 8926910
    A patient who was troubled by the persistent passage of prostatic calculi following transurethral prostatectomy is reported. The pathogenesis of these calculi is postulated.
    Matched MeSH terms: Reoperation
  15. Dillon J, Yakub MA, Nordin MN, Pau KK, Krishna Moorthy PS
    Eur J Cardiothorac Surg, 2013 Oct;44(4):682-9.
    PMID: 23407161 DOI: 10.1093/ejcts/ezt035
    Type IIIa mitral regurgitation (MR) due to rheumatic leaflet restriction often renders valve repair challenging and may predict a less successful repair. However, the utilization of leaflet mobilization and extension with the pericardium to increase the surface of coaptation may achieve satisfactory results. We reviewed our experience with leaflet extension in rheumatic mitral repair with emphasis on the technique and mid-term results.
    Matched MeSH terms: Reoperation
  16. Baskaran S, Nahulan T, Kumar AS
    Med J Malaysia, 2004 Dec;59 Suppl F:72-4.
    PMID: 15941170
    This is the first time we encountered a peculiar case of osteomyelitis complicating a closed fracture. The patient was a 38 year-old lady who presented just like any other patient with a closed fracture of the right femur. Intraoperatively we were surprised to find pus from the fracture site. This not only changed the surgical management but altered the subsequent outcome as well.
    Matched MeSH terms: Reoperation
  17. Kyaw K
    Aust N Z J Surg, 1994 Jan;64(1):67-9.
    PMID: 8267547
    Matched MeSH terms: Reoperation
  18. Sung JJ, Chiu PW, Chan FKL, Lau JY, Goh KL, Ho LH, et al.
    Gut, 2018 10;67(10):1757-1768.
    PMID: 29691276 DOI: 10.1136/gutjnl-2018-316276
    Non-variceal upper gastrointestinal bleeding remains an important emergency condition, leading to significant morbidity and mortality. As endoscopic therapy is the 'gold standard' of management, treatment of these patients can be considered in three stages: pre-endoscopic treatment, endoscopic haemostasis and post-endoscopic management. Since publication of the Asia-Pacific consensus on non-variceal upper gastrointestinal bleeding (NVUGIB) 7 years ago, there have been significant advancements in the clinical management of patients in all three stages. These include pre-endoscopy risk stratification scores, blood and platelet transfusion, use of proton pump inhibitors; during endoscopy new haemostasis techniques (haemostatic powder spray and over-the-scope clips); and post-endoscopy management by second-look endoscopy and medication strategies. Emerging techniques, including capsule endoscopy and Doppler endoscopic probe in assessing adequacy of endoscopic therapy, and the pre-emptive use of angiographic embolisation, are attracting new attention. An emerging problem is the increasing use of dual antiplatelet agents and direct oral anticoagulants in patients with cardiac and cerebrovascular diseases. Guidelines on the discontinuation and then resumption of these agents in patients presenting with NVUGIB are very much needed. The Asia-Pacific Working Group examined recent evidence and recommends practical management guidelines in this updated consensus statement.
    Matched MeSH terms: Reoperation
  19. Ng SH, Lang BH
    World J Surg Oncol, 2013;11:83.
    PMID: 23566353 DOI: 10.1186/1477-7819-11-83
    Parathyroid carcinoma is a rare endocrine malignancy, accounting for less than 1% of cases of primary hyperparathyroidism. Patient-related factors such as age and sex, as well as the biological features and management of the cancer, influence mid-term and long-term survival. We report a case of a young man with an unusual presentation of parathyroid carcinoma. The patient presented with left thigh swelling, which had been present for 6 months without other symptoms of hypercalcemia. On computed tomography scan a hypodense lesion, 30 × 20 × 20 mm in size, was seen in the posterior thyroid. There was no evidence of cervical lymphadenopathy or local infiltration. On a Sestamibi scan, a hot spot was seen in the lower pole of left thyroid lobe. Cervical neck exploration was performed. The patient subsequently underwent surgery and a parathyroid tumor was excised. The tumor was adherent to the thyroid capsule, but there was no evidence of invasion. After surgery, the patient's calcium and parathyroid hormone levels normalized, but histology confirmed parathyroid carcinoma with capsular and vascular invasion. The patient was offered reoperation, but declined, and developed recurrent parathyroid carcinoma 2 years later. In this report, we aim to present the challenges in managing parathyroid carcinoma and discuss factors that might contribute to future locoregional recurrences. This case also highlighted several issues, including the challenge of ascertaining the diagnosis before surgery and the dilemma of reoperation after simple excision.
    Matched MeSH terms: Reoperation
  20. Asha'ari ZA, Rahman JA, Mohamed AH, Abdullah K, Leman WI
    JAMA Otolaryngol Head Neck Surg, 2017 03 01;143(3):239-246.
    PMID: 27893073 DOI: 10.1001/jamaoto.2016.3268
    Importance: In patients with obstructive sleep apnea (OSA), operative risks depend on the severity of the underlying OSA and the invasiveness of the surgical procedure.

    Objective: To investigate the nature of the associations between the severity of OSA and the number and anatomical sites of upper airway operations with operative complications.

    Design, Setting, and Participants: This retrospective study included adult patients diagnosed with OSA (apnea-hypopnea index [AHI], >5) who underwent upper airway surgery at a single tertiary referral hospital between October 1, 2008, and October 1, 2015.

    Interventions: All patients underwent single or combination surgery on the nose, palatopharyngeal (tonsils, adenoids, and soft palate), and tongue base as a treatment of OSA.

    Main Outcomes and Measures: Pulmonary, surgical, and cardiovascular complications within the first 30 postoperative days were analyzed according to OSA severity and types of upper airway surgery. Logistic regression was used to assess the multivariable association of OSA, age, sex, body mass index, medical comorbidities, and types of upper airway surgery with short-term operative complications.

    Results: The study included 95 patients (87 males [91.6%]; 83 were Malay [87.4%]; mean [SD] age, 37.7 [1.6] years) with complete data and follow-up who underwent upper airway surgery to treat OSA. Patients with more severe OSA had greater body mass index (Cohen d, 0.27; 95% CI, -0.28 to 0.82), longer surgical time (Cohen d, 1.57; 95% CI, 0.95-2.15), and older age (Cohen d, 3.06; 95% CI, 2.29-3.77). At least 1 operative complication occurred in 48 of 95 patients (51%). In a multivariable model, the overall complication rate was increased with age and body mass index. Complication rates were not associated with AHI severity, type of procedure performed, and whether the surgery was single or combination surgery. Lowest oxygen desaturation (odds ratio, 1.03; 95% CI, 0.96-1.45; P = .04) and longest apnea duration (odds ratio, 1.03; 95% CI, 0.99-1.08; P = .02) were polysomnographic variables that predict the short-term operative complications.

    Conclusions and Relevance: In patients with OSA undergoing upper airway surgery, the severity of OSA as assessed by AHI, and the sites and numbers of concurrent operations performed were not associated with the rate of short-term operative complications.

    Matched MeSH terms: Reoperation
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