Displaying publications 1 - 20 of 30 in total

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  1. A simple method for removal of a broken intramedullary nail
    Sivananthan KS, Raveendran K, Kumar T, Sivananthan S
    Injury, 2000 Jul;31(6):433-4.
    PMID: 10831741
    The removal of broken implanted intramedullary nails secondary to re-fracture or non-union is challenging. In 12 cases a simple and safe method has been used to remove broken implants.
    Matched MeSH terms: Device Removal/methods*
  2. Fulltext Candida albicans infection of a prosthetic knee replacement: a case report
    Badrul B, Ruslan G
    Med J Malaysia, 2000 Sep;55 Suppl C:93-6.
    PMID: 11200051
    We report a 64 year old man who developed Candida albicans infection following total knee arthroplasty. A two-stage exchange arthroplasty was performed after an initial swab culture grew Acinobacter sp. A scanty growth of yeast was also found from the tissue culture. Intravenous cefuroxime was instituted for six weeks followed by reimplantation four months after the removal. Three weeks after that revision, the prosthesis became infected and a culture of knee aspirate established the diagnosis of Candida albicans infection. Treatment consisted of thorough debridement of the involved joint and oral fluconazole for a year. Infection was never totally resolved and a secondary infection with methicillin resistant staphylococcus aureus then developed. Excision arthroplasty was done at two and a half years after the initial infection. At five years follow-up the infection was quiescent and he had a range of movement of 30 degrees to 70 degrees. Knee brace was used to control the valgus-varus stability.
    Matched MeSH terms: Device Removal
  3. Sonographically guided removal of a double J ureteral stent in an infant
    Jutti RC, Subramaniam R, Balsingh D, Qureshi AM
    J Clin Ultrasound, 2002 May;30(4):232-5.
    PMID: 11981933 DOI: 10.1002/jcu.10062
    A 2-month-old male infant with a prenatally diagnosed obstruction of the ureteropelvic junction underwent a dismembered Anderson-Hynes pyeloplasty. A transanastomotic double J ureteral stent was placed between the renal pelvis and the urinary bladder. This report describes the subsequent removal of the double J ureteral stent from the patient's urinary bladder without the aid of a cystoscope: a rigid biopsy forceps was introduced trans-urethrally into the urinary bladder, and the stent was removed with sonographic guidance. Removal of a ureteral stent with sonographic guidance has not been previously reported in infants. This technique may be particularly useful in developing countries, where appropriate-sized cystoscopes and accessories may not be available.
    Matched MeSH terms: Device Removal/instrumentation; Device Removal/methods*
  4. Revision of total hip arthroplasty using an anterior cortical window, extensive strut allografts, and an impaction graft: follow-up study
    Arif M, Sivananthan S, Choon DS
    J Orthop Surg (Hong Kong), 2004 Jun;12(1):25-30.
    PMID: 15237118
    To report the outcome of revised total hip arthroplasty procedures involving an anterior cortical window, extensive strut allografts, and an Exeter impaction graft.
    Matched MeSH terms: Device Removal
  5. The efficacy of a subhypnotic dose of propofol in preventing laryngospasm following tonsillectomy and adenoidectomy in children
    Batra YK, Ivanova M, Ali SS, Shamsah M, Al Qattan AR, Belani KG
    Paediatr Anaesth, 2005 Dec;15(12):1094-7.
    PMID: 16324030 DOI: 10.1111/j.1460-9592.2005.01633.x
    BACKGROUND: Laryngospasm is a well-known problem typically occurring immediately following tracheal extubation. Propofol is known to inhibit airway reflexes. In this study, we sought to assess whether the empiric use of a subhypnotic dose of propofol prior to emergence will decrease the occurrence of laryngospasm following extubation in children.
    METHODS: After approval from the Institutional Ethics Committee and informed parental consent, we enrolled 120 children ASA physical status I and II, aged 3-14 years who were scheduled to undergo elective tonsillectomy with or without adenoidectomy under standard general anesthesia. Before extubation, the patients were randomized and received in a blinded fashion either propofol 0.5 mg.kg(-1) or saline (control) intravenously. Tracheal extubation was performed 60 s after administration of study drug, when the child was breathing regularly and reacting to the tracheal tube.
    RESULTS: Laryngospasm was seen in 20% (n = 12) of the 60 children in the control group and in only 6.6% (n = 4) of 60 children in the propofol group (P < 0.05).
    CONCLUSIONS: During emergence from inhalational anesthesia, propofol in a subhypnotic dose (0.5 mg.kg(-1)) decreases the likelihood of laryngospasm upon tracheal extubation in children undergoing tonsillectomy with or without adenoidectomy.
    Matched MeSH terms: Device Removal
  6. Spontaneous knot formation impeding the removal of a silicone urethral catheter
    Mustafa NA, Lope RJ, Cheah FC
    Arch. Dis. Child. Fetal Neonatal Ed., 2006 Jul;91(4):F287.
    PMID: 16790731
    Matched MeSH terms: Device Removal/methods
  7. Effect of local anesthesia and intravenous sedation on pain perception and vasovagal reactions during femoral arterial sheath removal after percutaneous coronary intervention
    Kiat Ang C, Leung DY, Lo S, French JK, Juergens CP
    Int J Cardiol, 2007 Apr 4;116(3):321-6.
    PMID: 16904773
    There is no consensus with respect to the use of analgesia during femoral arterial sheath removal after percutaneous coronary intervention (PCI). We performed a randomized controlled trial to assess the impact of intravenous sedation and local anesthesia during femoral sheath removal after PCI on patient comfort and the incidence of vasovagal reactions.
    Matched MeSH terms: Device Removal/adverse effects*
  8. Stent dislodgement in left anterior descending coronary artery and successful deployment with two parallel wires and a small balloon
    Ngow H
    Kardiol Pol, 2009 Sep;67(9):1040-2 discussion 1043.
    PMID: 19838965
    Coronary artery stent dislodgement during angioplasty is a rare complication. Stent dislodgement was more frequent in the past when stents were manually crimped onto the balloon. Newer and improved balloon-mounted stents with better radio-opacity have reduced the incidence of stent dislodgement but do not completely eliminate it. We report a case of balloon-mounted stent dislodgement in the proximal left anterior descending (LAD) coronary artery prior to deployment. This patient however was successfully treated with re-wiring of the artery with two parallel wires and the stent's reposition prior to deployment with the help of a small balloon.
    Matched MeSH terms: Device Removal/instrumentation; Device Removal/methods
  9. Fulltext "Fishing for lines": removal of endovascular catheters from the cardiovascular system
    Wong AR, Suhaimi H, Ridzuan MA, Rizal MM, Saedah A
    Singapore Med J, 2009 Oct;50(10):e358-61.
    PMID: 19907875
    We present two infants whose endovascular lines were accidentally cut or fractured, and had to be retrieved via transcatheter means in the cardiac catheterisation laboratory. The first case was a two-month-old infant with transposition of the great arteries, requiring an emergency balloon atrial septostomy. An indwelling vascular catheter that was placed in the right femoral vein was accidentally cut and had migrated into the inferior vena cava, before being retrieved. The second case was a one-week-old neonate who presented with pneumonia at birth, and had a long intravenous catheter placed in the left saphenous vein, which became fractured, and subsequently migrated into the heart. This case presented as a pulmonary embolus with haemodynamic instability, as the catheter had partially obstructed the right ventricular outflow tract. This was later retrieved via transcatheter means.
    Matched MeSH terms: Device Removal*
  10. Placement of removable metal biliary stent in post-orthotopic liver transplantation anastomotic stricture
    Tee HP, James MW, Kaffes AJ
    World J Gastroenterol, 2010 Jul 28;16(28):3597-600.
    PMID: 20653071
    Postoperative biliary strictures are the most common cause of benign biliary stricture in Western countries, secondary to either operative injury or bile duct anastomotic stricture following orthotopic liver transplantation (OLT). Surgery or endoscopic interventions are the mainstay of treatment for benign biliary strictures. We aim to report the outcome of 2 patients with refractory anastomotic biliary stricture post-OLT, who had successful temporary placement of a prototype removable covered self-expandable metal stent (RCSEMS). These 2 patients (both men, aged 44 and 53 years) were given temporary placement of a prototype RCSEMS (8.5 Fr gauge delivery system, 8 mm x 40 mm stent dimensions) in the common bile duct across the biliary stricture. There was no morbidity associated with stent placement and removal in these 2 cases. Clinical parameters improved after the RCSEMS placement. Long-term biliary patency was achieved in both the patients. No further biliary intervention was required within 14 and 18 mo follow-up after stent removal.
    Matched MeSH terms: Device Removal
  11. Impact of interventional nephrology on outcome and penetration rate of a CAPD program
    Wong CM, Ng KP, Keng TC, Lim SK, Tan SY
    Perit Dial Int, 2011 3 24;31(2):194-6.
    PMID: 21427247 DOI: 10.3747/pdi.2009.00237
    Matched MeSH terms: Device Removal/statistics & numerical data
  12. Opacification of AcriFlex 50CSE hydrophilic acrylic intraocular lenses
    Lim AK, Goh PP, Azura R, Mariam I
    J Cataract Refract Surg, 2011 Apr;37(4):655-9.
    PMID: 21420589 DOI: 10.1016/j.jcrs.2010.10.050
    PURPOSE: To determine the prevalence of and risk factors for AcriFlex 50CSE hydrophilic acrylic intraocular lens (IOL) opacification approximately 3 years after implantation.
    SETTING: Selayang Hospital, Selangor, Malaysia.
    DESIGN: Cross-sectional study.
    METHODS: Patients who had AcriFlex 50CSE IOL implantation in 2005 and 2006 were identified from operating logbooks and recalled via telephone and letters. Opaque IOLs were explanted and sent for scanning electron microscopy (SEM) and energy-dispersive x-ray spectroscopy (EDS).
    RESULTS: The review showed that 18 patients had died and 67 had declined examination or could not be contacted, leaving 239 eyes for evaluation. The age of the patients ranged from 25 to 85 years. Of the patients, 83 (34.7%) were Malay, 127 (53.1%) Chinese, and 29 (12.1%) East Indian. The male:female ratio was 1:1. Fourteen eyes of 13 patients (5.4%) had IOL opacification; 1 had bilateral opacification. Five eyes had fine deposits, and 9 eyes had dense opaque deposits. Seven opaque IOLs required explantation. There was no correlation between age (P=.645), sex (P=.319), or race (P=.860) and IOL opacification. Pearson chi-square analysis showed a strong association between diabetes mellitus and IOL opacification (P=.019). Nine (69.2%) of the 13 patients with opacification had diabetes. Scanning electron microscopy and EDS showed calcium and phosphate deposits on the optic surface and intralenticularly near the anterior surface of the optic.
    CONCLUSIONS: Results indicate that diabetes mellitus is a risk factor for AcriFlex hydrophilic acrylic IOL opacification. In some cases, opacification affected vision, necessitating explantation. The pathophysiology of this complication is unknown.
    FINANCIAL DISCLOSURE: No author has a financial or proprietary interest in any material or method mentioned.
    Matched MeSH terms: Device Removal
  13. Fulltext The 50% and 95% effective doses of desflurane for removal of the classic laryngeal mask airway in spontaneously breathing anaesthetised adults
    Hui MT, Subash S, Wang CY
    Anaesthesia, 2011 Apr;66(4):274-7.
    PMID: 21401540 DOI: 10.1111/j.1365-2044.2011.06620.x
    The 50% and 95% effective doses of desflurane for removal of the classic laryngeal mask airway after suction of the upper airway, in anaesthetised spontaneously breathing adult patients, are not known. To determine these, we studied 38 healthy patients, aged between 18 and 44 years. The target desflurane concentration in each individual patient was determined by the Dixon up-and-down method. When the predetermined target end-tidal desflurane concentration reached steady state, we kept a constant end-expiratory partial pressure between the alveolus and the brain for 10 min before attempting to remove the classic laryngeal mask airway after suctioning the upper airway. The initial desflurane target concentration was set at 6% and up-down desflurane increments were 0.1%. This continued until there were at least six crossover pairs. From the probit analysis, the 50% effective dose of desflurane was 5.29% (95% CI 5.132-5.379%) and the 95% effective dose was 5.55% (95% CI 5.429-6.394%).
    Matched MeSH terms: Device Removal/methods
  14. Fulltext eComment: Trans-pericardial extra-anatomic aortic bypass for coarctation of the aorta
    Sachithanandan A, Badmanaban B
    Interact Cardiovasc Thorac Surg, 2011 Jul;13(1):100.
    PMID: 21697404 DOI: 10.1510/icvts.2010.265264A
    Matched MeSH terms: Device Removal*
  15. Fulltext Infective endocarditis and the pacemaker: cardiac implantable electronic device infection
    Yew KL
    Med J Malaysia, 2012 Dec;67(6):618-9.
    PMID: 23770958 MyJurnal
    We are seeing more implantation of cardiac device such as pacemakers and defibrillators and also cardiac implantable electronic device infection. The infection may affect just the pocket site or progress to deeper infection and bacteraemia. Inadequately treated infection may lead to right sided endocarditis, cardiotomy for pacemaker explantation and increased cost and length of stay in the hospital. We report a Staphylococcal infection of a pacemaker system, its successful medical and surgical management.
    Matched MeSH terms: Device Removal
  16. Comparison between the use of LMA™ and SLIPA™ in patients undergoing minor surgeries
    Wan Rahiza, W.M., Nurlia, Y., Abd Rahman, I., Esa, K., Nadia, M.N., Raha, A. R.
    Journal of Surgical Academia, 2012;2(1):8-13.
    MyJurnal
    Supraglottic airway devices have been used as safe alternatives to endotracheal intubation in appropriate types of surgery. This was a prospective, randomised, single blind study comparing the use of LMA™ and SLIPA™ in terms of ease of insertion, haemodynamic changes and occurrence of adverse effects (e.g. blood stains on the device upon removal and sore throat). A total of 62 ASA I or II patients, aged between 18 to 70 years were recruited for this study. Patients were randomised into two groups; LMA™ and SLIPA™ group. Following induction of anaesthesia, an appropriate sized LMA™ or SLIPA™ was inserted after ensuring adequate depth of anaesthesia. Anaesthesia was maintained with oxygen, nitrous oxide and sevoflurane. The ease of insertion was graded and haemodynamic changes were recorded at 2 minute intervals up to 10 minutes after insertion of the airway devices. The presence of blood stains upon airway device removal at the end of surgery and incidence of sore throat was also recorded. No difficult insertion was experienced in either of these devices. Insertion was either easy [LMA™ 87.1% versus SLIPA™ 80.6% (p = 0.49)] or moderate [LMA™ 12.9% versus SLIPA™ 19.4% (p = 0.16)]. Throughout the study period, the haemodynamic changes that occurred in both groups were not statistically different. Traces of blood were noted on the surface of the device in 9.7% of patients in the SLIPA™ group versus 6.5% of patients in the LMA™ group. The incidence of sore throat was recorded in 12.9% versus 19.4% of patients in the SLIPA™ and the LMA™ groups respectively. These findings were not statistically significant. In conclusion, this study showed no significant differences between the use of LMA™ and SLIPA™ in terms of ease of insertion, haemodynamic changes and adverse effects in patients undergoing minor surgical procedures.
    Matched MeSH terms: Device Removal
  17. Fulltext Peripheral Intravenous Catheterisation in Obstetric Patients in the Hand or Forearm Vein: A Randomised Trial
    Tan PC, Mackeen A, Khong SY, Omar SZ, Noor Azmi MA
    Sci Rep, 2016 Mar 18;6:23223.
    PMID: 26987593 DOI: 10.1038/srep23223
    A peripheral intravenous catheter is often inserted as part of care during labour. The catheter is inserted into the back of the hand or lower forearm vein in usual practice. There is no trial data to guide the care provider on which is the better insertion site in any clinical setting. 307 women admitted to the labour ward who required insertion of intravenous catheter were randomised to back of hand or lower forearm vein catheter insertion. Catheter insertion is by junior to mid-grade providers. We evaluated insertion success at the first attempt, pain during insertion and catheter replacement due to malfunction as main outcomes. After catheter removal, we recorded patient satisfaction with site, future site preference and insertion site swelling, bruising, tenderness, vein thrombosis and pain. Insertion of a catheter into back of hand vein is more likely to be successful at the first attempt. Insertion pain score, catheter replacement rate, patient satisfaction, patient fidelity to site in a future insertion and insertion site complications rate are not different between trial arms. In conclusion, both insertion sites are suitable; the back of the hand vein maybe easier to cannulate and seems to be preferred by our frontline providers.
    Matched MeSH terms: Device Removal
  18. Fulltext Delayed onset porous polyethylene implant-related inflammation after orbital blowout fracture repair: four case reports
    Aryasit O, Ng DS, Goh ASC, Woo KI, Kim YD
    BMC Ophthalmol, 2016 Jul 07;16:94.
    PMID: 27387333 DOI: 10.1186/s12886-016-0287-0
    BACKGROUND: Porous polyethylene implants are commonly used in orbital blowout fracture repair because of purported biocompatibility, durability, and low frequency of complications. Delayed inflammation related to porous polyethylene sheet implants is very rare and no case series of this condition have been reported.

    CASE PRESENTATION: This is a retrospective review of clinical presentations, radiographic findings, histopathological findings, treatments, and outcomes of patients who developed delayed complications in orbital blowout fracture repair using porous polyethylene sheets. Four male patients were included with a mean age of 49 years (range 35-69 years). Blowout fracture repair was complicated with implant-related inflammation 10 months, 2 years, 3 years, and 8 years after surgery. Chronic and subacute orbital inflammatory signs were noted in two patients and acute fulminant orbital inflammation was found in two patients. Three patients developed peri-implant abscesses and one patient had a soft tissue mass around the implant. All patients underwent implant removal and two of these patients with paranasal sinusitis had sinus surgery. Histopathological findings revealed chronic inflammatory changes with fibrosis, and one patient had foreign body granuloma with culture positive Staphylococcus aureus.

    CONCLUSIONS: Delayed complications with porous polyethylene sheets used in orbital blowout fracture repair may occur many years following the initial surgery in immunocompetent patients. Low-grade or fulminant inflammation could complicate blowout fracture repair related with the implant.

    Matched MeSH terms: Device Removal
  19. Fulltext Antegrade repositioning of Memokath stent in malignant ureteroileal anastomotic stricture
    Ng KL, Nawawi O, Lim BK, Htun TH, Dublin N, Razack AH
    Asian J Surg, 2017 Apr;40(2):171-174.
    PMID: 24210538 DOI: 10.1016/j.asjsur.2013.09.012
    Ureteric strictures are common and can be due to benign or malignant causes. Various surgical treatments can be used from minimally invasive endoscopic retrograde JJ stent insertion, balloon dilatation, ureterolithotomy, to open surgical exploration and repair. Memokath 051 stent is a metallic stent designed for long-term ureteral stenting in the management of ureteral strictures. The insertion of this device is usually a straightforward procedure performed endoscopically in a retrograde fashion via cystoscopy. However, this procedure can be difficult in complicated scenarios when the bladder has been removed with neoureteral reimplantations or high-grade strictures. Here, we report a case of Memokath stent insertion complicated by placement difficulties in a lady with ileal conduit due to previous ovarian cancer complicated by vesicovaginal fistula, who presented with malignant stricture of the ureteroileal anastomosis. We describe a simple yet effective antegrade technique to precisely reposition the malpositioned Memokath stent, along with illustrations.
    Matched MeSH terms: Device Removal
  20. Iatrogenic displacement of high-speed bur during third molar removal
    Rajaran JR, Nazimi AJ, Rajandram RK
    BMJ Case Rep, 2017 Sep 27;2017.
    PMID: 28954756 DOI: 10.1136/bcr-2017-221892
    Surgical removal of impacted mandibular third molar is a routine procedure in oral surgery. Various iatrogenic complications related to the procedure has been discussed well in the literatures before. Some of these complications are related to the wrong usage of instruments and techniques. Here we discuss a rare complication on a 42-year-old male, related to the use of high-speed handpiece drill in mandibular third molar removal in a general dental office setting. He was referred when a high speed tungsten carbide bur was accidentally broken and displaced into the mandibular bone during surgical procedure. It is not common to use a high-speed handpiece in impacted third molar removal. This iatrogenic complication could have been totally avoided with the use of proper equipment and technique; therefore raising awareness regarding wrong usage of instrument is vital to avoid similar incidents in the future.
    Matched MeSH terms: Device Removal
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