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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 82 - 82
1 Sep 2012
Chandran P Patel K Kumar V Hamed Y Kay P Porter M
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Introduction

We aim to assess the functional outcome, patient perceived satisfaction and implant survival at a mean follow up of 13[10–16] years following revision knee replacement.

Patients and Methods

Between 1995 and 2001, 243 revision knee replacements were performed in 230 patients using Endolink [Link, Hamburg] or TC3 [Depuy, Leeds] prosthesis at Wrightington hospital, Wrightington, were consented to take part in this study. Data was collected prospectively which includes complications and functional assessment by Oxford knee score, WOMAC, HSS, UCLA, SF12 scores, and patient satisfaction questioner. The scores were obtained pre-operatively and post-operatively at 1 year, 5 years and at the latest follow-up. The mean age was 69 yrs, 51% were males, TC3 prosthesis as used in 175 and Endolink in 68, the revision was for Infection in 71[29%], 53 patients had intra-operative positive culture, 35 had 2 stage revision.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXIX | Pages 237 - 237
1 Sep 2012
Chandran P Patel K Kumar V Hamed Y Kay P Porter M
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Introduction

We aim to assess the functional outcome, patient satisfaction and implant survival at a mean follow up of 13[10–16] years following revision for infected total knee replacement.

Patients and Methods

Between 1995 and 2001, 71 revision knee replacements were performed for infection, at Wrightington hospital, Wrightington. Data was collected prospectively which includes intra-operative cultures, complications and functional assessment by Oxford knee score, WOMAC, HSS, UCLA, SF12 scores, and patient satisfaction questioner. The scores were obtained pre-operatively and post-operatively at 1 year, 5 years and at the latest follow-up. Mean age was 69 yrs, 70% were Females, 31[44%] had 2 stage revisions and intra-operative culture was positive in 53 patients. Most common organism was staphylococcus aureus in 30% and staphylococcus epidermides in 18%.


Orthopaedic Proceedings
Vol. 93-B, Issue SUPP_III | Pages 310 - 311
1 Jul 2011
Shivarathre D Chandran P Ralte P Platt S
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Introduction: Controversy exists in the surgical treatment of unstable ankle fractures in the very elderly age group of over 80 years. Operative fixation in these cases is challenging and the postoperative mortality and morbidity has discouraged surgical intervention in this population. However, the literature regarding the prognosis of surgery in this elderly group is very limited. The purpose of our study was to describe the results of 92 patients aged above 80 years, who underwent operative fixation for unstable ankle fractures.

Methods: 92 consecutive patients aged above eighty years of age had open reduction and internal fixation for unstable ankle fractures during the period of January 1998 – August 2007. The data was collected retrospectively from the case records and radiographs. A standard postoperative rehabilitation programme was followed. The complications were noted and the risk factors for poor prognosis were analysed.

Results: There were 80 women and 12 men in the study. The average age was 85.2 (Range 80.1 – 95.1 yrs). The minimum duration of follow up was 9 months. The superficial wound infection rate was 7% (6 cases) and the deep infection rate was 4.6% (4 cases). The 30 day postoperative mortality was 5.4 % (5 cases). 86 % (75 out of 87 cases) were able to return back to their pre injury mobility at the last follow-up. Diabetes, dementia, peripheral vascular disease and smoking were found to be statistically significant risk factors associated with wound complications. Patient with 2 or more risk factors is 5 times more likely to have wound infection.

Conclusion: The results of operative fixation of unstable ankle fractures are very encouraging with majority of patients returning to pre injury mobility status.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_IV | Pages 590 - 591
1 Oct 2010
Shivarathre D Chandran P Platt S
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Introduction: Operative fixation of unstable ankle fractures is a well recognised form of management. However controversy exists in the surgical treatment of unstable ankle fractures in the very elderly age group of over 80 years. Operative fixation in these cases is challenging and the postoperative mortality and morbidity has discouraged surgical intervention in this population. However, the literature regarding the prognosis of surgery in this elderly group is very limited. The purpose of our study was to describe the results of 85 patients aged above 80 years, who underwent operative fixation for unstable ankle fractures.

Methods: 92 consecutive patients aged above eighty years of age had open reduction and internal fixation for unstable ankle fractures during the period of January 1998 – August 2007. The data was collected retrospectively from the case records and radiographs. The mechanism of injury, fracture pattern, and medical co morbidities were recorded. A standard postoperative rehabilitation programme was followed. 5 patients were excluded as complete medical records were unavailable. The clinical and radiological outcomes following surgery were recorded and analysed in detail. The complications were noted and the risk factors for poor prognosis were analysed.

Results: There were 71 women and 16 men in the study. The most common fracture pattern was pronation external rotation type. The average age was 85.2 (Range 80.1 – 95.1 yrs). The minimum duration of follow up was 9 months. The superficial wound infection rate was 5.7% (5 cases) which settled with oral antibiotic treatment for 1–2 weeks. The deep infection rate was 4.6% (4 cases) which required surgical debridement and implant removal. The 30 day postoperative mortality was 4.6 % (4 cases). Most patients demonstrated radiological fracture union with medial malleolus possessing slightly a higher risk of non union. 88.1 % (74 out of 84 cases) were able to return back to their pre injury mobility at the last follow-up. Diabetes and smoking did not statistically influence the outcome of the surgery.

Conclusion: The results of operative fixation of unstable ankle fractures are very encouraging with good functional recovery and return to pre injury mobility status in most cases. The surgical fixation is technically challenging and careful attention must be given to the osteopenia and soft tissue factors.


Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 242 - 242
1 Mar 2010
Shivarathre DG Chandran P Platt S
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Introduction: Operative fixation of unstable ankle fractures is a well-recognised form of management. However controversy exists in the surgical treatment of unstable ankle fractures in the elderly age group, over 80 years. Operative fixation in these cases is challenging and the postoperative mortality and morbidity has discouraged surgical intervention. The literature regarding the prognosis of surgery in this elderly group is limited. The purpose of this study is to document the results of operative fixation of unstable ankle fractures in patients aged over 80 years of age.

Methods: Ninety-two consecutive patients aged above 80 underwent open reduction and internal fixation of unstable ankle fractures during the period of January 1998 to August 2007. Five patients’ case records were unavailable for the study and they were therefore excluded. The data was collected retrospectively from the case records and radiographs. The clinical and radiological outcomes following surgery were recorded and analysed in detail. The complications were noted and the risk factors for poor prognosis were analysed

Results: The average age was 85.2 (range 80.1 – 95.1 yrs). The minimum duration of follow up was nine months. The superficial wound infection rate was 5.7% (5 cases). The deep infection rate was 4.6% (4 cases), three required surgical debridement. The 30-day postoperative mortality was 4.6 % (4 cases). 88.1 % (74 out of 84 cases) were able to return to their preinjury mobility at the last follow-up. Diabetes and smoking did not statistically influence the outcome of the surgery.

Conclusion: The results of operative fixation of unstable ankle fractures in this age group are encouraging with good functional recovery and return to preinjury mobility status in most cases.


Orthopaedic Proceedings
Vol. 91-B, Issue SUPP_I | Pages 152 - 152
1 Mar 2009
Sundaram R Lipscombe S Subramanian S Chandran P O’Malley M Shackleford I
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Introduction: Radiation dose exposure to patients in a main X-ray department in a hospital is well documented and controlled. Few studies report the radiation exposure to patients undergoing spinal surgery received from an image intensifier. There are no recommended doses published when using the image intensifier

Methods: We reviewed the radiation doses and exposure times from computer and radiation log records of all the patients who underwent trauma & orthopaedic surgery which required an image intensifier between January and September 2005. The Dose-Area-Product (Gray/cm2) and screening time was recorded.

Results: More than 600 patients underwent trauma & orthopaedic surgery that required an image intensifier at the time of surgery. The mean screening Dose Area Product of the patients undergoing spinal surgery and other common procedures are shown (Gray/cm2):- Lumbar fusion – 23. Disc replacement – 10. Discogram – 4.9. Foraminal injection – 4.4. DHS – 1.86. IMHS – 1.33. ORIF Ankle – 0.89. MUA k-wire wrist – 0.04. The four surgical procedures which required the most radiation were spinal procedures. The maximum radiation is given to patients undergoing lumbar spinal fusion.

Conclusion: Patients undergoing spinal surgery can receive as much radiation exposure as those undergoing procedures such as barium swallow or standard lumbar spine films. Efforts should be made to reduce radiation exposure to orthopaedic patients, and operating surgeons especially those undergoing spinal surgery. By publishing our radiation exposure doses, we can begin to establish guidelines for recommended patient doses.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_III | Pages 537 - 537
1 Aug 2008
Chandran P Mereddy PKR Azzabi M Andrews M Bradley JG
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Aim: To compare the difference in periprosthetic bone density between cemented and uncemented total hip replacement at a minimum follow up of 10 years.

Patients and methods: We looked at a cohort of 17 patients who have had bilateral total hip replacement with cemented Charnley total hip on one side and uncemented Furlong total hip on the other side between 1984 and 1994 (minimum follow up 10 years). Harris and Oxford hip scores were used to determine the function, SF 36 was used to measure quality of life and Dual energy X-Ray absorptiometry (DEXA) scan was used to quantify bone mineral density adjacent to the prosthesis. The results from the DEXA scan for cemented and the uncemented hips were analysed using Paired samples two tailed t-tests. To compare the Harris hip scores, a non-parametric Wilcoxon test was used. Pearson correlations were carried out to examine the relationship between the bone density measures (averaged for each zone) and the quality of life measures.

Results: Bone mineral density was higher on the Furlong side in Gruen Zones 2, 3, 5 and 6 of the proximal femur and DeLee Charnley Zone 1 of the acetabulum. In all other zones there was no statistical difference. Comparison of Harris hip scores and Oxford hip scores showed no statistically significant difference between the two hips (p = 0.108). Age is negatively correlated with bone density in Gruen zones 6 and 7 and acetabular zones 2 and 3.

Conclusion: Bone density is better preserved around the uncemented HAC coated stem compared to the Charnley cemented stem.


Orthopaedic Proceedings
Vol. 88-B, Issue SUPP_II | Pages 217 - 217
1 May 2006
Kamath R Chandran P Malek S Mohsen A
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Introduction and Aims Back pain patients usually demand more time in clinic. A significant proportion of this time is spent in performing clinical examination. It has been recognised that detailed history of symptoms is the backbone in reaching the diagnosis and deciding the management plan for patients with lower back pain and/or radiculopathy. The aim of the study was to look at 1) Contributions from History and Examination. 2) Does Clinical Examination add any further information not identified from history?

Method A prospective, blinded study was carried out to determine the usefulness of history and clinical examination, individually to reach the diagnosis and plan the management. 75 consecutive lower back pain and/or radiculopathy patients were included in the study. Two orthopaedic registrars saw all the patients. One took detailed history and the other registrar performed clinical examination. Both registrars based on their information arrived at a provisional diagnosis. A consultant also took history and examined these patients. MRI scan was done as per clinical indication.

Results The data was analysed using standard statistics software. In all patients history suggested the possible diagnosis. Clinical examination did not add any further information to alter the course of management, which was planned for the patient. Clinical examination did not show any further information that was not identified in the MRI scan.

Conclusion Clinical examination does not add to the body of information available from history. Clinical examination does not add any further information not available on the scan. Clinical examination should be performed for patients considered for surgery to document the findings; here both subjective and objective assessment should be performed. Examination is not a useful screening tool.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 290 - 291
1 Sep 2005
Malek S Kamath R Chandran P Mohsen A
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Introduction and Aims: Lower back and/or leg pain is a symptom of a number of pathological conditions involving lumbosacral nerve roots. Disc herniation is one of the most common causes of LBP (after mechanical back pain). There is controversy regarding the progression of disc degeneration and/or lower back pain to symptomatic disc prolapse over time.

Method: The aim of the study was to determine the natural progression of patients with lower back pain/disc degeneration established clinically and on MRI to symptomatic disc herniation over three to six years. Total of 970 patients who had an MRI scan between January 1998 and September 2000 were included in the study. Information about disc pathology, level and number of discs involved were recorded from MRI scan reports. A short questionnaire was sent to all patients. It contained 10 questions regarding current status of pain and neurology, any treatment in form of back injection and operation, current occupation and smoking status.

Results: The collected data was analysed using standard statistics software (SPSS). The results will be discussed.

Conclusion: The information provided by this study will be useful in judging the natural progression of lower back pain and/or disc degeneration to a symptomatic prolapse intervertebral disc. It will also be useful in medico-legal cases where patients had pre-existing disc degeneration and subsequently developed disc herniation over time.


Orthopaedic Proceedings
Vol. 87-B, Issue SUPP_III | Pages 291 - 291
1 Sep 2005
Kamath R Chandran P Malek S Mohsen A
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Introduction and Aims: Back pain patients usually demand more time in clinic. A significant proportion of this time is spent in performing clinical examination. It has been recognised that a detailed history of symptoms is the backbone in reaching the diagnosis and deciding the management plan for patients with lower back pain and/or radiculopathy.

Method: A prospective, blinded study was carried out to determine the usefulness of history and clinical examination, individually, to reach the diagnosis and plan the management. Sixty consecutive lower back pain and/or radiculopathy patients were included in the study. All the patients were seen by two orthopaedic registrars. Detailed history was taken by one and clinical examination was performed by the other registrar. A provisional diagnosis was made by both registrars based on their information. A consultant also took history and examined these patients. MRI scan was done as per clinical indication.

Results: The gathered information was analysed using standard statistics software. The data indicates that clinical examination on its own was non-contributory in reaching diagnosis and plan the management. All information obtained by history alone correlated well with MRI results. The full results and cost implications will be discussed.

Conclusion: Routine clinical examination of spine can be omitted without compromising the patient care, where clear history is available to reach diagnosis and plan the management. Clinical examination should be performed on those patients who need surgery to document the pre-operative neurology.