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1.
BMJ Case Rep ; 15(8)2022 Aug 12.
Article in English | MEDLINE | ID: mdl-35961685

ABSTRACT

Pre-macular haemorrhage (PMH) can cause profound visual loss. Some surgeons prefer neodymium-doped yttrium aluminium garnet (Nd:YAG) hyaloidotomy as the first line of treatment due to being an easy technique and having a high success rate. However, the use of high energy close to the fovea can lead to various macular complications. We present a case of a patient who presented with PMH secondary to anaemic retinopathy. He underwent Nd:YAG laser hyaloidotomy, but developed a full-thickness macular hole. He further underwent vitrectomy and a type 1 closure was achieved. However, the visual gain was poor due to the large hole size and the collateral thermal damage. The hole may not close spontaneously, thus requiring surgical intervention. The surgical outcome of these holes depends on the size of the hole and the collateral thermal damage caused during the laser procedure.


Subject(s)
Lasers, Solid-State , Retinal Perforations , Humans , Lasers, Solid-State/therapeutic use , Male , Retinal Hemorrhage/etiology , Retinal Hemorrhage/surgery , Retinal Perforations/etiology , Retinal Perforations/surgery , Visual Acuity , Vitrectomy/methods
3.
Taiwan J Ophthalmol ; 12(4): 491-494, 2022.
Article in English | MEDLINE | ID: mdl-36660112

ABSTRACT

We report a patient who developed frosted branch angiitis (FBA) and was diagnosed 1 month after the penetrating eye injury (PEI) repair. A 31-year-old male with no systemic comorbidities presented with defective vision following trauma to his left eye while cutting wood. His best-corrected visual acuity (BCVA) was 20/200. Anterior segment examinations showed a zone I full-thickness corneal tear with iris tissue incarceration. There was no clinical evidence of intraocular foreign body (IOFB) or endophthalmitis. He underwent PEI repair with iris abscission on the same day with intracameral moxifloxacin injection. His BCVA on postoperative day 45 was 20/200. Examination showed a resolving vitreous hemorrhage, venous tortuosity, and retinal perivascular infiltration affecting the venules from the posterior pole up to the periphery. He was treated with oral and topical steroids. The clinical signs resolved completely and BCVA improved to 20/20 after 1 month of treatment. FBA can complicate the recovery of eyes after PEI repair, even in the absence of endophthalmitis or sympathetic ophthalmia. A thorough search for IOFB or its tell-tale signs should be done in such eyes.

5.
Ocul Immunol Inflamm ; 29(1): 175-178, 2021 Jan 02.
Article in English | MEDLINE | ID: mdl-31671013

ABSTRACT

Aim: To report the case of a young child who presented with sudden visual loss and characteristic abnormal retinal vasculature.Design: Case ReportMethods: A 13-year-old Indian boy presented with sudden visual loss in the left eye (20/1200) for 1 month, associated with recent-onset of seizures. Ocular examination showed a relative afferent pupillary defect, neovascularization of iris, absence of retinal vasculature beyond second branching, and arterio-venous shunts at the junction of vascular and avascular retina. Fundus fluorescein angiography showed delayed arm-to-retina time, leading edge of fluorescein dye in arteries and peripheral capillary non-perfusion areas.Peripheral pulses were absent and carotid doppler showed bilateral carotid artery occlusion (left one being worse affected), suggestive of Takayasu's arteritis (TA). Despite being started on immunotherapy, he lost complete vision in the left eye.Conclusion: TA may present initially to ophthalmologists, who need to maintain a high index of suspicion for early diagnosis and management of this life-threatening disease.


Subject(s)
Fluorescein Angiography/methods , Retinal Artery Occlusion/diagnosis , Retinal Vessels/diagnostic imaging , Takayasu Arteritis/diagnosis , Tomography, Optical Coherence/methods , Visual Acuity , Adolescent , Diagnosis, Differential , Fundus Oculi , Humans , Male , Retinal Artery Occlusion/etiology , Takayasu Arteritis/complications
6.
Int Ophthalmol ; 41(1): 135-141, 2021 Jan.
Article in English | MEDLINE | ID: mdl-32860153

ABSTRACT

AIM: To evaluate the outcome and safety profile of short-term perfluorocarbon liquids (PFCL) tamponade in comparison with buckle-vitrectomy in case of rhegmatogenous retinal detachment (RRD) associated with choroidal detachment (CD). METHODS: Records of patients who underwent surgery for RRD/CD from January 2016 to July 2019 were reviewed retrospectively. The patients were allocated into two groups-group 1 patients underwent buckle-vitrectomy, while those in group 2 underwent a two-staged vitrectomy with short-term (5 days) PFCL tamponade. RESULTS: The study included 33 eyes (33 patients) with mean age of 50.3 ± 17.2 years. Group 1 included 15 patients, while group 2 included 18. The pre-operative characteristics were similar in both the groups. The mean pre-operative intraocular pressure in group 1 and 2 was 9.1 ± 4.0 and 8.6 ± 5.2 mmHg, respectively (p = 0.755). Retinal re-attachment after single surgery was achieved in 10 (66.7%) and 14 eyes (77.8%), respectively. All the eyes achieved retinal re-attachment after repeat surgery in both the groups (1.40 vs 1.39 surgeries, p = 0.963). Post-surgery visual improvement was seen in 13 (86.7%) and 17 eyes (94.4%), respectively (p = 0.579). Final visual acuity of ≥ 6/60 was obtained in 7 (46.7%) and 9 eyes (50.0%), respectively (p > 0.999). None of the patients needed retinectomy during repeat surgery. None of the patients experienced exaggerated inflammation or intractable raised IOP spike which could not be controlled with medications. CONCLUSION: Surgical outcomes were similar in both the groups. No clinically apparent toxicity was seen with post-operative short-term PFCL tamponade. Two-staged surgery is a good alternative to buckle-vitrectomy for eyes with RRD associated with CD.


Subject(s)
Choroidal Effusions , Retinal Detachment , Adult , Aged , Humans , Middle Aged , Retinal Detachment/diagnosis , Retinal Detachment/etiology , Retinal Detachment/surgery , Retrospective Studies , Visual Acuity , Vitrectomy
7.
HPB (Oxford) ; 23(5): 666-674, 2021 05.
Article in English | MEDLINE | ID: mdl-33032883

ABSTRACT

BACKGROUND: Corticosteroids are an integral part of immunosuppression following solid organ transplantation, despite their metabolic complications. We conducted a randomized trial to evaluate the efficacy of steroid-free immunosuppression following live donor liver transplantation (LDLT). METHODS: We randomized 104 patients stratified based on pre-transplant diabetic status to either a steroid-free arm (SF-arm) (Basiliximab + Tacrolimus and Azathioprine,n = 52) or Steroid arm (S-Arm) (Steroid + Tacrolimus + Azathioprine,n = 52). The primary endpoint was the occurrence of metabolic complications (new-onset diabetes after transplant (NODAT), new-onset systemic hypertension after transplant (NOSHT), post-transplant dyslipidemia) within 6 months after transplant. Secondary endpoints included biopsy-proven acute rejection (BPAR) within six months, patient and graft survival at 6 months. RESULTS: The incidence NODAT was significantly higher in S-arm at 3 months (64.5%vs. 28.1%,p-0.004) and 6 months (51.6% vs. 15.6%,p-0.006). Likewise, the incidence of NOSHT (27.8% vs. 4.8%,p-0.01) and hypertriglyceridemia (26.7% vs. 8%,p-0.03) at six months was significantly higher in S-arm. However, there were no differences in BPAR (19.2% vs. 21.2%, p-0.81), time to first rejection (58 vs. 53 days, p-0.78), patient and graft survival (610 vs. 554 days,p- 0.22). CONCLUSION: Following LDLT, basiliximab induction with tacrolimus and azathioprine maintenance resulted in significantly lower metabolic complications compared to the triple-drug regimen of steroid, tacrolimus, and azathioprine.


Subject(s)
Kidney Transplantation , Liver Transplantation , Adult , Basiliximab , Graft Rejection/prevention & control , Humans , Immunosuppression Therapy , Immunosuppressive Agents/adverse effects , Liver Transplantation/adverse effects , Living Donors , Recombinant Fusion Proteins , Steroids
8.
Indian J Ophthalmol ; 68(5): 880-884, 2020 05.
Article in English | MEDLINE | ID: mdl-32317470

ABSTRACT

Purpose: To compare the safety and efficacy of 25-gauge pars plana vitrectomy (PPV) with either platelet-rich plasma (PRP) or inverted internal limiting membrane (ILM) flap for the treatment of large macular hole. Methods: Pseudophakic patients with idiopathic macular holes with a minimum diameter (MD) of 600-1500 µm were randomized into two groups (30 patients each): 25-gauge PPV with either inverted ILM flap (group A) or PRP (group B). Results: Mean MD in groups A and B were 803.33 ± 120.65 µm and 784.73 ± 120.10 µm, respectively (P = 0.552). Mean base diameter in groups A and B was 1395.17 ± 240.57 µm and 1486.90 ± 281.61 µm, respectively (P = 0.180). The median presenting best-corrected visual acuity (BCVA) was logMAR 0.78 (range 0.78-1.00) and logMAR 0.78 (Range 0.60-1.00) in groups A and B, respectively (P = 0.103). Anatomical closure was achieved in 90% (n = 27/30) and 93.3% (n = 28/30) eyes in groups A and B, respectively (P = 0.158). Type 1 closure was achieved in 76.7% (n = 23/30) and 83.3% (n = 25/30) eyes in groups A and B, respectively. Median BCVA at postoperative 3-month in groups A and B was logMAR 0.60 (range 0.48-0.60) and logMAR 0.60 (range 0.48-0.78), respectively (P = 0.312). The average visual improvement was 2.0 and 2.5 early treatment diabetic retinopathy study (ETDRS) lines in groups A and B, respectively (P = 0.339). None of the patients developed postoperative exaggerated inflammatory reactions. Conclusion: Using platelets for the treatment of large macular holes is as safe and effective as an inverted ILM flap.


Subject(s)
Platelet-Rich Plasma , Retinal Perforations , Basement Membrane/surgery , Humans , Pilot Projects , Retinal Perforations/diagnosis , Retinal Perforations/surgery , Retrospective Studies , Tomography, Optical Coherence , Treatment Outcome , Visual Acuity , Vitrectomy
9.
Anim Reprod Sci ; 210: 106190, 2019 Nov.
Article in English | MEDLINE | ID: mdl-31635784

ABSTRACT

This study was conducted to characterise pregnancy-associated glycoprotein (caPAG) in peripheral plasma during gestation and postpartum periods of nulliparous and multiparous does with one or two foetuses using a caPAG specific two-step sandwich ELISA system. Earliest time-points for detection of pregnancy and foetal number with appropriate cut-off values were identified. Plasma samples from 15 pregnant (multiparous: n = 8; nulliparous: n = 7; during pregnancy and postpartum period) and six non-pregnant (during oestrous cycle) goats were collected and analysed. Mean caPAG concentration was greater than the threshold for pregnancy detection (S-N = 0.40) on d22, peaked on d45 and remained unchanged until parturition. From d45 until parturition, caPAG concentration in multiparous does with two foetuses was 1.4 to 1.8 fold greater (P < 0.001) than those with one foetus. For the ELISA, 0.83 (S-N) was the most appropriate cut-off to differentiate does with two from those with a single foetus with an overall sensitivity and accuracy of 88.9% and 84.7%, respectively. Circulating caPAG concentration in multiparous goats was greater (P < 0.05) compared with nulliparous goats during the early pregnancy and postpartum periods. After parturition, caPAG concentrations markedly decreased and were basal within 14 days postpartum. In conclusion, using the caPAG specific ELISA, results indicated there were unique gestational and postpartum profiles for caPAG concentrations that are affected by number of foetuses and parity of the doe. The marked decrease in concentration of caPAG following parturition indicates there would not be compromising of the detection of subsequent pregnancies in goats using this technique.


Subject(s)
Goats/physiology , Litter Size , Postpartum Period/blood , Pregnancy Proteins/blood , Pregnancy, Animal , Animals , Female , Gene Expression Regulation/physiology , Goats/blood , Parity , Pregnancy , Pregnancy Proteins/genetics , Pregnancy Proteins/metabolism , Pregnancy, Animal/physiology
10.
Indian J Ophthalmol ; 67(9): 1490-1492, 2019 09.
Article in English | MEDLINE | ID: mdl-31436210

ABSTRACT

Ocular filariasis commonly presents as subconjunctival or eyelid nodules. We report a rare case of a live, motile worm causing floaters. The worm was isolated from the vitreous cavity and revealed to be Dirofilaria repens. Correct recognition of the worm is necessary as human dirofilariasis does not present as microfilaremia and does not require systemic therapy; in contrast to other causes of ocular filariasis, which require systemic therapy. As ophthalmologist may be the first physician to encounter such patients, a high index of suspicion is required for timely and adequate management.


Subject(s)
Dirofilaria repens/isolation & purification , Dirofilariasis/diagnosis , Eye Infections, Parasitic/diagnosis , Vitreous Body/parasitology , Animals , Dirofilariasis/parasitology , Dirofilariasis/surgery , Eye Infections, Parasitic/parasitology , Eye Infections, Parasitic/surgery , Humans , Male , Middle Aged , Rare Diseases , Sclerostomy/methods , Vitrectomy , Vitreous Body/diagnostic imaging
11.
Int J Comput Assist Radiol Surg ; 14(4): 723-732, 2019 Apr.
Article in English | MEDLINE | ID: mdl-30680601

ABSTRACT

PURPOSE: To determine whether the interactive visualisation of patient-specific virtual 3D models of the renal anatomy influences the pre-operative decision-making process of urological surgeons for complex renal cancer operations. METHODS: Five historic renal cancer patient pre-operative computed tomography (CT) datasets were retrospectively selected based on RENAL nephrectomy score and variety of anatomy. Interactive virtual 3D models were generated for each dataset using image segmentation software and were made available for online visualisation and manipulation. Consultant urologists were invited to participate in the survey which consisted of CT and volume-rendered images (VRI) for the control arm, and CT with segmentation overlay and the virtual 3D model for the intervention arm. A questionnaire regarding anatomical structures, surgical approach, and confidence was administered. RESULTS: Twenty-five participants were recruited (54% response rate), with 19/25 having > 5 years of renal surgery experience. The median anatomical clarity score increased from 3 for the control to 5 for the intervention arm. A change in planned surgical approach was reported in 19% of cases. Virtual 3D models increased surgeon confidence in the surgical decisions in 4/5 patient datasets. There was a statistically significant improvement in surgeon opinion of the potential utility for decision-making purposes of virtual 3D models as compared to VRI at the multidisciplinary team meeting, theatre planning, and intra-operative stages. CONCLUSION: The use of pre-operative interactive virtual 3D models for surgery planning influences surgical decision-making. Further studies are needed to investigate if the use of these models changes renal cancer surgery outcomes.


Subject(s)
Clinical Competence , Decision Making , Imaging, Three-Dimensional , Kidney Neoplasms/diagnosis , Nephrectomy/methods , Surgeons/standards , Tomography, X-Ray Computed/methods , Female , Humans , Kidney/diagnostic imaging , Kidney/surgery , Kidney Neoplasms/surgery , Male , Retrospective Studies , Tumor Burden
12.
Ophthalmic Surg Lasers Imaging Retina ; 49(12): 941-945, 2018 12 01.
Article in English | MEDLINE | ID: mdl-30566701

ABSTRACT

BACKGROUND AND OBJECTIVE: To compare the surgical performance of internal limiting membrane (ILM) peeling in idiopathic macular hole using a digitally assisted vitreoretinal system (DAVS) and an analog microscope (AM). PATIENTS AND METHODS: Patients were operated on using an AM (Group A) and a DAVS (Group B). The data analyzed included surgical time required to complete ILM peeling, number of attempts to create ILM flap and complete ILM peeling, and intraoperative complications. RESULTS: Each group included 20 patients. The average surgical time for ILM peeling in groups A and B was 123.05 seconds ± 42.23 seconds and 142.35 seconds ± 31.49 seconds, respectively (P = .109). The mean number of surgical attempts to create the ILM flap was 1.05 ± 0.22 and 1.70 ± 1.22 respectively (P = .008). The mean number of surgical attempts to complete ILM peeling was 22.85 ± 9.95 and 27.20 ± 7.16, respectively (P = .121). Retinal touch occurred in one and three patients, respectively (P = .534). CONCLUSIONS: DAVS provides similar surgical performance to AM; however, the creation of ILM flap is difficult with DAVS compared to AM. [Ophthalmic Surg Lasers Imaging Retina. 2018;49:941-945.].


Subject(s)
Basement Membrane/surgery , Imaging, Three-Dimensional , Retinal Perforations/surgery , Surgery, Computer-Assisted/methods , Surgical Flaps , Tomography, Optical Coherence/methods , Basement Membrane/diagnostic imaging , Follow-Up Studies , Humans , Microscopy , Prospective Studies , Retinal Perforations/diagnosis , Visual Acuity , Vitrectomy/methods
14.
Liver Transpl ; 24(7): 888-896, 2018 07.
Article in English | MEDLINE | ID: mdl-29350831

ABSTRACT

Despite advances in the practice of living donor liver transplantation (LDLT), the optimum surgical approach with respect to the middle hepatic vein (MHV) in right lobe LDLT remains undefined. We designed a randomized trial to compare the early postoperative outcomes in recipients and donors between extended right lobe grafts (ERGs; transection plane was maintained to the left of MHV and division of MHV performed beyond the segment VIII vein) and modified right lobe grafts (MRGs; transection plane was maintained to the right of MHV; the segment V and VIII drainage was reconstructed using a conduit of recipient portal vein). Eligible patients (n = 86) were prospectively randomized into the ERG arm (n = 43) and the MRG arm (n = 43) at the beginning of donor hepatectomy. The primary endpoint considered in this equivalence trial was patency of the MHV or the reconstructed "neo-MHV" in the recipient. The secondary endpoints included biochemical parameters, postoperative complications, mortality in recipients as well as donors and volume regeneration of remnant liver in donors, measured at 2 months. The patency of the MHV was comparable in the ERG and MRG arms (90.7% versus 81.4%; difference, 9.3%; 95% confidence interval [CI], -5.8 to 24.4; z score, 1.245; P = 0.21). Volume regeneration of the remnant liver in donors was significantly better in the MRG arm (111.3% versus 87.3%; mean difference, 24%; 95% CI, 14.6-33.3; P < 0.001). The remaining secondary endpoints in donors and recipients were similar between the 2 arms. To conclude, MRG with reconstructed neo-MHV has comparable patency to native MHV in ERG and confers equivalent graft outflow in the recipient. Furthermore, it allows better remnant liver regeneration in the donor at 2 months. Liver Transplantation 24 888-896 2018 AASLD.


Subject(s)
Hepatectomy/methods , Liver Transplantation/methods , Living Donors/statistics & numerical data , Postoperative Complications/epidemiology , Tissue and Organ Harvesting/methods , Adult , Allografts/blood supply , Female , Hepatectomy/adverse effects , Hepatic Veins/surgery , Humans , Liver/blood supply , Liver/surgery , Liver Regeneration , Liver Transplantation/adverse effects , Male , Middle Aged , Portal Vein/surgery , Postoperative Complications/etiology , Postoperative Period , Tissue and Organ Harvesting/adverse effects , Transplant Recipients/statistics & numerical data , Treatment Outcome , Vascular Patency
15.
Clin Radiol ; 72(7): 611.e9-611.e16, 2017 Jul.
Article in English | MEDLINE | ID: mdl-28351471

ABSTRACT

AIM: To determine the threshold waveform characteristics at Doppler ultrasound (DUS) to differentiate between ischaemic and non-ischaemic priapism. MATERIALS AND METHODS: Fifty-two patients were categorised into "ischaemic" and "non-ischaemic" types based on clinical and blood-gas findings: 10 patients with non-ischaemic priapism; 20 with ischaemic priapism before surgical shunt placement and 22 with ischaemic priapism after surgical shunt placement. DUS traces were analysed: peak systolic velocity (PSV) and mean velocity (MV) were calculated. Histological samples were obtained at the time of surgery. Three clinical outcome groups were defined: (1) normal, (2) regular use of pharmacostimulation, and (3) refractory dysfunction/penile implant. RESULTS: All non-ischaemic priapism cases had a PSV >50 cm/s and all but one had an MV of >6.5 cm/s. In pre-surgery ischaemic cases, all men had a PSV <50 cm/s and MV <6.5 cm/s. Two flow patterns were observed in this group: PSV <25 cm/s in all men scanned before needle aspiration; and in 6/14 after needle aspiration, a high velocity/high resistance (low net inflow) pattern, with peak systolic flows >22 cm/s but diastolic reversal. In post-surgery ischaemic priapism, flow parameters overlapped with the non-ischaemic group. PSV/MV did not predict clinical outcome or histology. CONCLUSION: In the present cohort, PSV <50 cm/s and MV <6.5 cm/s were predictive of ischaemic priapism (pre-shunt; p<0.01). Patients with ischaemic priapism may show PSV >22 cm/s, but have diastolic reversal and therefore low net perfusion. Post-shunt, DUS findings were extremely variable and did not predict histology or clinical outcome.


Subject(s)
Priapism/diagnostic imaging , Priapism/physiopathology , Ultrasonography, Doppler , Blood Flow Velocity , Humans , Ischemia/complications , Male , Penis/blood supply , Priapism/etiology , Retrospective Studies , Systole
16.
Indian J Gastroenterol ; 36(1): 56-61, 2017 Jan.
Article in English | MEDLINE | ID: mdl-28066854

ABSTRACT

Antitubercular therapy (ATT)-induced hepatotoxicity is often over looked and active tuberculosis is considered a contraindication for liver transplantation, however it might be the only lifesaving option to certain patients of acute liver failure (ALF) due to ATT. We have assessed the outcome of live donor liver transplantation in ATT-induced ALF. A retrospective analysis of all the cases of ALF that underwent liver transplantation from 2006 to 2014 at the Amrita Institute of Medical Sciences was done. A total of seven (7.7%) patients with ATT-induced ALF who had underwent live donor liver transplantation were included in the study. Out of seven patients, three (42.8%) had established diagnosis of tuberculosis and the remaining (58.2%) patients were started on ATT empirically. The median duration of ATT intake was 2 months. All the patients underwent live donor liver transplant as they met King's College criteria, and their model for end-stage liver disease score was above 35 on admission, receiving graft from first degree relatives. Histopathology of explant liver showed pan acinar necrosis. Restarting of ATT after transplant was individualized. It was restarted only in two (28%) patients with prior sputum-positive pulmonary tuberculosis after a median time of 27 days after transplant. ATT was not restarted in rest of the (72%) patients. Postoperative mortality was seen in two (28%) patients due to conditions that masquerade the ATT-induced acute liver failure. The overall survival rate was 71.4% with a median follow up of 22 months. Live donor-related transplantation is feasible option in ATT-induced acute liver failure. Restarting of ATT post liver transplant is feasible and should be individualized along with frequent monitoring of immunosuppressant levels; however, if the primary diagnosis of tuberculosis was empirical, reintroduction of ATT can be omitted.


Subject(s)
Antitubercular Agents/adverse effects , Liver Failure, Acute/chemically induced , Liver Transplantation/methods , Living Donors , Adolescent , Adult , Child , Child, Preschool , Feasibility Studies , Female , Humans , Immunosuppressive Agents/metabolism , Liver Function Tests , Male , Monitoring, Physiologic , Retrospective Studies , Young Adult
17.
Hip & Pelvis ; : 1-14, 2017.
Article in English | WPRIM (Western Pacific) | ID: wpr-147782

ABSTRACT

In total hip arthroplasty (THA), the accurate positioning of implants is the key to achieve a good clinical outcome. Computer-assisted orthopaedic surgery (CAOS) has been developed for more accurate positioning of implants during the THA. There are passive, semi-active, and active systems in CAOS for THA. Navigation is a passive system that only provides information and guidance to the surgeon. There are 3 types of navigation: imageless navigation, computed tomography (CT)-based navigation, and fluoroscopy-based navigation. In imageless navigation system, a new method of registration without the need to register the anterior pelvic plane was introduced. CT-based navigation can be efficiently used for pelvic plane reference, the functional pelvic plane in supine which adjusts anterior pelvic plane sagittal tilt for targeting the cup orientation. Robot-assisted system can be either active or semi-active. The active robotic system performs the preparation for implant positioning as programmed preoperatively. It has been used for only femoral implant cavity preparation. Recently, program for cup positioning was additionally developed. Alternatively, for ease of surgeon acceptance, semi-active robot systems are developed. It was initially applied only for cup positioning. However, with the development of enhanced femoral workflows, this system can now be used to position both cup and stem. Though there have been substantial advancements in computer-assisted THA, its use can still be controversial at present due to the steep learning curve, intraoperative technical issues, high cost and etc. However, in the future, CAOS will certainly enable the surgeon to operate more accurately and lead to improved outcomes in THA as the technology continues to evolve rapidly.


Subject(s)
Arthroplasty , Arthroplasty, Replacement, Hip , Hip , Learning Curve , Methods
18.
Clin Oncol (R Coll Radiol) ; 28(9): 568-76, 2016 09.
Article in English | MEDLINE | ID: mdl-27318423

ABSTRACT

AIMS: Multi-parametric magnetic resonance imaging (mpMRI) may identify radio-recurrent intra-prostatic cancer accurately. We aimed to compare visually directed MRI-targeted biopsies (MRI-TB) to an accurate reference standard - transperineal prostate mapping (TPM) biopsies with 5 mm sampling - in the detection of clinically significant cancer in men with biochemical failure after radiotherapy. MATERIALS AND METHODS: A retrospective registry analysis between 2006 and 2014 identified 77 men who had undergone mpMRI followed by MRI-TB and TPM. Clinical significance was set at two definitions of disease. Definition 1 was Gleason ≥ 4+3 and/or maximum cancer core length ≥ 6 mm. Definition 2 was Gleason ≥ 3+4 and/or maximum cancer core length ≥ 4 mm. RESULTS: Of the 77 patients included, the mean age was 70 years (range 61-82; standard deviation 5.03). The median prostate-specific antigen (PSA) at the time of external beam radiotherapy (EBRT) was 14 ng/ml (interquartile range 7.83-32.50). The most frequent EBRT dose given was 74 Gy over 37 fractions. Eight patients had iodine-seed implant brachytherapy or high dose rate brachytherapy. Neoadjuvant/adjuvant hormonal therapy use was reported in 38. The time from EBRT to biochemical recurrence was a median of 60 months (interquartile range 36.75-85.00). The median PSA at the time of mpMRI was 4.68 ng/ml (interquartile range 2.68-7.60). The median time between mpMRI and biopsy was 2.76 months (interquartile range 1.58-4.34). In total, 2392 TPM and 381 MRI-TB cores were taken with 18% and 50% cancer detection, respectively. Detection rates of definition 1 clinically significant cancer were 52/77 (68%) versus 55/77 (71%) for MRI-TB and TPM, respectively. MRI-TB was more efficient requiring 1 core versus 2.8 cores to detect definition 2 cancer. CONCLUSION: MRI-TB seems to have encouraging detection rates for clinically significant cancer with fewer cores compared with TPM, although TPM had higher detection rates for smaller lower grade lesions.


Subject(s)
Image-Guided Biopsy/methods , Prostatic Neoplasms/diagnosis , Aged , Aged, 80 and over , Humans , Magnetic Resonance Imaging/methods , Male , Middle Aged , Prostatic Neoplasms/pathology , Retrospective Studies
19.
Cell Stress Chaperones ; 21(4): 645-51, 2016 07.
Article in English | MEDLINE | ID: mdl-27169748

ABSTRACT

It has been established that the synthesis of heat shock protein 70 (Hsp70) is temperature-dependent. The Hsp70 response is considered as a cellular thermometer in response to heat stress and other stimuli. The variation in Hsp70 gene expression has been positively correlated with thermotolerance in Drosophila melanogaster, Caenorhabditis elegans, rodents and human. Goats have a wide range of ecological adaptability due to their anatomical and physiological characteristics; however, the productivity of the individual declines during thermal stress. The present study was carried out to analyze the expression of heat shock proteins in different tissues and to contrast heat stress phenotypes in response to chronic heat stress. The investigation has been carried out in Jamunapari, Barbari, Jakhrana and Sirohi goats. These breeds differ in size, coat colour and production performance. The heat stress assessment in goats was carried out at a temperature humidity index (THI) ranging from 85.36-89.80 over the period. Phenotyping for heat stress susceptibility was carried out by combining respiration rate (RR) and heart rate (HR). Based on the distribution of RR and HR over the breeds in the population, individual animals were recognized as heat stress-susceptible (HSS) and heat stress-tolerant (HST). Based on their physiological responses, the selected animals were slaughtered for tissue collection during peak heat stress periods. The tissue samples from different organs such as liver, spleen, heart, testis, brain and lungs were collected and stored at -70 °C for future use. Hsp70 concentrations were analyzed from tissue extract with ELISA. mRNA expression levels were evaluated using the SYBR green method. Kidney, liver and heart had 1.5-2.0-fold higher Hsp70 concentrations as compared to other organs in the tissue extracts. Similarly, the gene expression pattern of Hsp70 in different organs indicated that the liver, spleen, brain and kidney exhibited 5.94, 4.96, 5.29 and 2.63-fold higher expression than control. Liver and brain tissues showed the highest gene expression at mRNA levels as compared to kidney, spleen and heart. HST individuals had higher levels of mRNA level expression than HSS individuals in all breeds. The Sirohi breed showed the highest (6.3-fold) mRNA expression levels as compared to the other three breeds, indicating the better heat stress regulation activity in the breed.


Subject(s)
Gene Expression Profiling , Gene Expression Regulation , Goats/genetics , HSP70 Heat-Shock Proteins/genetics , Heat-Shock Response/genetics , Organ Specificity/genetics , Stress, Physiological/genetics , Animals , Breeding , HSP70 Heat-Shock Proteins/metabolism , Phenotype , RNA, Messenger/genetics , RNA, Messenger/metabolism , Tissue Extracts
20.
Liver Transpl ; 22(8): 1067-74, 2016 08.
Article in English | MEDLINE | ID: mdl-27152759

ABSTRACT

The role of prostaglandin E1 (PGE1) infusion in improving early graft function has not been well defined, especially in the scenario of living donor liver transplantation (LDLT). We designed a randomized, double-blind, placebo-controlled trial to evaluate the role of perioperative PGE1 infusion in LDLT. Patients in the study arm received PGE1 (alprostadil) at the rate of 0.25 µg/kg/hour, starting at 1 hour after portal venous reperfusion, and continued for 96 hours. The primary endpoint was early allograft dysfunction (EAD). We analyzed multiple secondary endpoints including postoperative liver function and renal function parameters, acute kidney injury (AKI), hepatic artery thrombosis (HAT), postoperative bleeding, overall mortality, and posttransplant hospital stay. The incidence of EAD was lower in the PGE1 arm, although the difference did not reach statistical significance (22.4% versus 36%; P = 0.21). Among the secondary endpoints, the incidence of AKI was significantly lower in the PGE1 arm (8.2% versus 28%; P = 0.02), as were the peak and mean postoperative creatinine levels. The need for renal replacement therapy was similar between the 2 groups. Among the postoperative graft function parameters, postoperative alanine aminotransferase level was significantly lower in the PGE1 arm (P = 0.04), whereas the remaining parameters including serum bilirubin, aspartate aminotransferase, and international normalized ratio were similar between the 2 arms. There was no difference in the incidence of HAT and postoperative bleeding, in-hospital mortality, and posttransplant hospital stay between the 2 arms. Perioperative PGE1 infusion reduces the incidence of posttransplant renal dysfunction in patients undergoing LDLT. Liver Transplantation 22 1067-1074 2016 AASLD.


Subject(s)
Allografts/drug effects , Alprostadil/therapeutic use , End Stage Liver Disease/surgery , Graft Rejection/prevention & control , Liver Transplantation/adverse effects , Protective Agents/therapeutic use , Acute Kidney Injury/epidemiology , Acute Kidney Injury/etiology , Adult , Alprostadil/administration & dosage , Creatinine/blood , Double-Blind Method , End Stage Liver Disease/mortality , Female , Graft Survival/drug effects , Hepatic Artery/pathology , Hospital Mortality , Humans , Incidence , Kidney Function Tests , Length of Stay , Living Donors , Male , Middle Aged , Perioperative Care/methods , Postoperative Hemorrhage/epidemiology , Postoperative Hemorrhage/etiology , Protective Agents/administration & dosage , Severity of Illness Index , Thrombosis/epidemiology , Thrombosis/etiology
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