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Abstract
BACKGROUND The Odette Cancer Centre's recent implementation of a rapid diagnostic unit (rdu) for breast lesions has significantly decreased wait times to diagnosis. However, the economic impact of the unit remains unknown. This project defined the development and implementation costs and the operational costs of a breast rdu in a tertiary care facility. METHODS From an institutional perspective, a budget impact analysis identified the direct costs associated with the breast rdu. A base-case model was also used to calculate the cost per patient to achieve a diagnosis. Sensitivity analyses computed costs based on variations in key components. Costs are adjusted to 2015 valuations using health care-specific consumer price indices and are reported in Canadian dollars. RESULTS Initiation cost for the rdu was $366,243. The annual operational cost for support staff was $111,803. The average per-patient clinical cost for achieving a diagnosis was $770. Sensitivity analyses revealed that, if running at maximal institutional capacity, the total annual clinical cost for achieving a diagnosis could range between $136,080 and $702,675. CONCLUSIONS Establishment and maintenance of a breast rdu requires significant investment to achieve reductions in time to diagnosis. Expenditures ought to be interpreted in the context of institutional patient volumes and trade-offs in patient-centred outcomes, including lessened patient anxiety and possibly shorter times to definitive treatment. Our study can be used as a resource-planning tool for future rdus in health care systems wishing to improve diagnostic efficiency.
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Affiliation(s)
- M Elmi
- Division of General Surgery, Sunnybrook Health Sciences Centre-Odette Cancer Centre.,Department of Surgery, University of Toronto
| | - H Hussein
- Division of Breast Imaging, Sunnybrook Health Sciences Centre; and.,Department of Medical Imaging, University of Toronto, Toronto, ON; and.,Department of Medical Imaging, Cairo University, Cairo, Egypt
| | - S Nofech-Mozes
- Division of General Surgery, Sunnybrook Health Sciences Centre-Odette Cancer Centre
| | - B Curpen
- Division of Breast Imaging, Sunnybrook Health Sciences Centre; and.,Department of Medical Imaging, University of Toronto, Toronto, ON; and
| | - A Leahey
- Division of General Surgery, Sunnybrook Health Sciences Centre-Odette Cancer Centre
| | - N Look Hong
- Division of General Surgery, Sunnybrook Health Sciences Centre-Odette Cancer Centre.,Department of Surgery, University of Toronto
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Verma S, Hamer J, Ecclestone C, Leahey A, Zhang L, Deangelis C, Rakovitch E, Chow E. P147 Quality of life (QOL) and symptom burden (SB) in breast cancer patients across the continuum. Breast 2015. [DOI: 10.1016/s0960-9776(15)70189-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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3
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Bunin N, Aplenc R, Leahey A, Magira E, Grupp S, Pierson G, Monos D. Outcomes of transplantation with partial T-cell depletion of matched or mismatched unrelated or partially matched related donor bone marrow in children and adolescents with leukemias. Bone Marrow Transplant 2005; 35:151-8. [PMID: 15531896 DOI: 10.1038/sj.bmt.1704754] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Graft-versus-host disease (GVHD) remains a major barrier to successful hematopoietic stem cell transplant for patients who lack a matched related donor. Partial T-cell depletion (TCD) of the graft may decrease the risk of severe GVHD with unrelated donors (URD) and partially matched related donors (PMRD) while retaining an antileukemic effect. We analyzed our experience using URD and PMRD for pediatric patients with leukemias from 1990 to 2001. A subgroup of 'matched' URD donor pairs was retrospectively analyzed for high-resolution class I. Partial TCD was accomplished with monoclonal antibody T10B9 or OKT3 and complement. There were 76 URD (45% matched) and 28 PMRD recipients. Event-free survival (EFS) was 38.3%, and overall survival (OS) 45.1% at 3 years. On multivariate analysis, there was no difference in survival based upon marrow source, but nonrelapse mortality was higher with the use of PMRD. Relapse occurred in 6% of ALL patients, and 22.8% of AML/MDS patients. Grades III-IV GVHD was observed in only 6.7% of patients. Partial TCD allows use of matched or mismatched URD, or PMRD with little mortality from GVHD, durable engraftment, and no increase in relapse risk.
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Affiliation(s)
- N Bunin
- Division of Oncology, The Children's Hospital of Philadelphia, 34th and Civic Center Blvd., Philadelphia, PA 19104, USA.
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4
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Bunin N, Aplenc R, Iannone R, Leahey A, Grupp S, Monos D, Pierson G. Unrelated donor bone marrow transplantation for children with severe aplastic anemia: minimal GVHD and durable engraftment with partial T cell depletion. Bone Marrow Transplant 2005; 35:369-73. [PMID: 15640818 DOI: 10.1038/sj.bmt.1704803] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Both increased graft rejection and increased graft vs host disease (GVHD) remain obstacles to success for unrelated donor (URD) BMT for patients with SAA. Partial T cell depletion (PTCD) may decrease the risk of severe GVHD, while still maintaining sufficient donor T lymphocytes to ensure engraftment. We report on 12 patients with SAA who underwent PTCD URD BMT. All patients had failed medical therapy or relapsed following initial responses, and were transfusion dependent. The median age was 6 years, and there were five males. Donors were matched for four patients, and mismatched for eight. All patients received total body irradiation with either Ara-C or thiotepa and cyclophosphamide. PTCD was accomplished using monoclonal antibody T10B9 or OKT3 and complement. All patients engrafted, with a median time of 18 days to ANC >500. Only one patient had greater than grade II acute GVHD; two patients had limited and one patient extensive chronic GVHD. Nine patients are alive and transfusion independent at a median months post BMT. Three patients died from infection or renal failure. This series suggests that an aggressive immunosuppressive conditioning regimen with PTCD results in successful engraftment and minimal GVHD in pediatric patients with SAA, even with HLA mismatched donors.
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Affiliation(s)
- N Bunin
- The Children's Hospital of Philadelphia, Philadelphia, PA, USA.
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5
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Bunin N, Leahey A, Grupp S, Pierson G, Monos D. Partial T cell depletion for unrelated donor BMT for children with severe aplastic anemia (SAA): engraftment with minimal GVHD. Biol Blood Marrow Transplant 2004. [DOI: 10.1016/j.bbmt.2003.12.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Hogarty AN, Leahey A, Zhao H, Hogarty MD, Bunin N, Cnaan A, Paridon SM. Longitudinal evaluation of cardiopulmonary performance during exercise after bone marrow transplantation in children. J Pediatr 2000; 136:311-7. [PMID: 10700686 DOI: 10.1067/mpd.2000.103444] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Abnormalities in cardiopulmonary performance during exercise have been reported in children after bone marrow transplantation (BMT). We sought to study changes in exercise performance over time in pediatric BMT survivors. STUDY DESIGN We retrospectively reviewed the results of serial cardiopulmonary exercise tests performed by patients who had undergone BMT at our institution. Four measurements of cardiopulmonary function are reported: maximum cardiac index (MCI), maximal oxygen consumption (Max VO(2)), oxygen consumption at ventilatory threshold (VO(2) at VT), and maximum work (Max Work) performed. A linear mixed-effects model was fitted to assess changes in these parameters over time. RESULTS Thirty-three patients performed 96 cardiopulmonary exercise tests. MCI and VO(2) at VT were depressed at initial testing and did not change over time. Max VO(2) increased by 4% per year to 69% predicted, and Max Work increased to 77% predicted at 6 years after BMT. CONCLUSIONS In spite of an impaired cardiovascular response to exercise as indicated by the persistently low MCI, aerobic and physical working capacity increase. Improved Max VO(2) suggests that oxygen extraction at the musculoskeletal level becomes more efficient with recovery from BMT. This may represent a compensatory response to an impaired ability to increase cardiac output.
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Affiliation(s)
- A N Hogarty
- Division of Cardiology, Division of Oncology, Division of Biostatistics and Epidemiology, and Department of Pediatrics, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA
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Porter DL, Collins RH, Hardy C, Kernan NA, Drobyski WR, Giralt S, Flowers ME, Casper J, Leahey A, Parker P, Mick R, Bate-Boyle B, King R, Antin JH. Treatment of relapsed leukemia after unrelated donor marrow transplantation with unrelated donor leukocyte infusions. Blood 2000; 95:1214-21. [PMID: 10666193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
The efficacy and toxicity of donor leukocyte infusions (DLI) after unrelated donor bone marrow transplantation (BMT) is largely unknown. We identified 58 recipients of unrelated DLI (UDLI) for the treatment of relapsed disease from the National Marrow Donor Program database. A retrospective analysis was performed to determine response, toxicity, and survival after UDLI and to identify factors associated with successful therapy. UDLI was administered for relapsed chronic myelogenous leukemia (CML) (n = 25), acute myelogenous leukemia (AML) (n = 23), acute lymphoblastic leukemia (ALL) (n = 7), and other diseases (n = 3). Eight patients were in complete remission (CR) before UDLI, and 50 were evaluable for response. Forty-two percent (95% confidence interval [CI], 28%-56%) achieved CR, including 11 of 24 (46%; 95% CI, 26%-66%) with CML, 8 of 19 (42%; 95% CI, 20%-64%) with AML, and 2 of 4 (50%; 95% CI, 1%-99%) with ALL. The estimated probability of disease-free survival (DFS) at 1 year after CR was 65% (95% CI, 50%-79%) for CML, 23% (95% CI, 9%-38%) for AML, and 30% (95% CI, 6%-54%) for ALL. Acute graft-versus-host disease (GVHD) complicated UDLI in 37% of patients (grade II-IV, 25%). A total of 13 of 32 evaluable patients (41%) developed chronic GVHD. There was no association between cell dose administered and either response or toxicity. In a multivariable analysis, only a longer interval from BMT to relapse and BMT to UDLI was associated with improved survival and DFS, respectively. UDLI is an acceptable alternative to other treatment options for relapse after unrelated donor BMT. (Blood. 2000;95:1214-1221)
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Affiliation(s)
- D L Porter
- Division of Hematology-Oncology, Department of Medicine, University of Pennsylvania Medical Center, Philadelphia, PA 19104, USA.
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Bunin N, Saunders F, Leahey A, Doyle J, Calderwood S, Freedman MH. Alternative donor bone marrow transplantation for children with juvenile myelomonocytic leukemia. J Pediatr Hematol Oncol 1999; 21:479-85. [PMID: 10598658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
The purpose of this study was to evaluate the outcome of children with juvenile myelomonocytic leukemia (JMML) treated with alternative donor bone marrow transplantation (BMT). Twelve consecutive patients with JMML confirmed by in vitro clonogenic assays underwent alternative donor BMT. Ten patients received pretransplant chemotherapy for one to seven cycles (cytosine arabinoside regimens). Eight underwent splenectomy before the transplant. Donors were unrelated for nine patients and partially matched related for three. Conditioning included total body irradiation for all but one patient. Graft-versus-host disease (GVHD) prophylaxis included in vitro partial T-lymphocyte depletion for five patients with cyclosporine arabinoside, and cyclosporine arabinoside and methotrexate for seven. Acute GVHD developed in all patients, and chronic GVHD developed in 7 of 11 evaluable patients. Relapses occurred in two patients, and two died of transplant-related causes. Eight patients remain in remission with a median follow-up of 31 months after the BMT. The event-free survival rate for this series is 64% (95% confidence interval, 27%-85%). The roles of pretransplant chemotherapy and splenectomy for leukemic reduction to prevent relapse, and the use of conditioning regimens with total body irradiation require study in a larger series of patients. GVHD may be beneficial in preventing relapses, which has been the major cause of treatment failure for these patients.
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Affiliation(s)
- N Bunin
- Division of Oncology, The Children's Hospital of Philadelphia, Pennsylvania 19104, USA
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Leahey A, Kelly K, Rorke LB, Lange B. A phase I/II study of idarubicin (Ida) with continuous infusion fludarabine (F-ara-A) and cytarabine (ara-C) for refractory or recurrent pediatric acute myeloid leukemia (AML). J Pediatr Hematol Oncol 1997; 19:304-8. [PMID: 9256828 DOI: 10.1097/00043426-199707000-00007] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
PURPOSE The goal was to conduct a phase I/II trial of escalating doses of Idarubicin (Ida) in conjunction with the previously established maximum tolerated dose (MTD) of F-ara-A/ara-C in children with refractory or recurrent acute myeloid leukemia (AML). PATIENTS AND METHODS We conducted a phase I/II trial in parallel with Children's Cancer Group (CCG) study 0922, which involved dose escalation of Ida at levels of mg/m2, 9 mg/m2, and 12 mg/m2 over 15 minutes on days 0, 1, and 2. As phase I safety was documented by CCG, we increased the dose of Ida given on day 0, 1, and 2 of the F-ara-A/ara-C infusion (F-ara-A: 10.5 mg/m2 over 15 minutes and 1.27 mg/m2/hour for 48 hours followed by ara-C: 390 mg/m2 over 15 minutes and 101 mg/m2/hour for 72 hours). RESULTS Ten of 15 patients achieved remission. There was one toxic death due to adult respiratory distress syndrome. The median time to an absolute neutrophil count (ANC) > 200/microliter was 29 days; ANC > 1,000/microliter was 41 days; and platelets > 100,000/microliter was 45 days. CONCLUSIONS A dose of 12 mg/m2/day x 3 of Ida did not exceed dose-limiting toxicity with this combination of F-ara-A/ara-C. Substantial activity of this regimen was seen in pediatric patients with AML.
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Affiliation(s)
- A Leahey
- Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania 19104, USA
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Porter JC, Leahey A, Polise K, Bunin G, Manno CS. Recombinant human erythropoietin reduces the need for erythrocyte and platelet transfusions in pediatric patients with sarcoma: a randomized, double-blind, placebo-controlled trial. J Pediatr 1996; 129:656-60. [PMID: 8917229 DOI: 10.1016/s0022-3476(96)70145-2] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE To evaluate the effect of recombinant human erythropoietin (EPO) and iron supplementation on transfusion requirements in pediatric patients with sarcoma who were receiving chemotherapy, we performed a double-blind, placebo-controlled, randomized trial. METHODS Twenty-four pediatric patients with malignant solid tumors were randomly assigned to receive either placebo (saline solution) or EPO for a 16-week study period. The starting dose was 150 IU/kg per dose three times a week and was escalated by 50 IU/kg per dose increments monthly until packed red blood cell (PRBC) transfusion independence was achieved or a dosage of 300 IU/kg per dose was reached. Iron supplementation was prescribed at a dose of 6 mg of elemental iron per kilogram daily. The primary study end point was the comparison of PRBC transfusion requirements in the two groups. RESULTS Of 24 patients, 20 were evaluable for response. The median PRBC transfusion requirement during the 16-week period was 23 ml/kg in EPO-treated patients versus 80 ml/kg in placebo patients (p = 0.02). The median number of single-donor platelet units transfused was zero in the EPO-treated patients compared with four in the placebo group (p = 0.005). No statistical difference in the intensity of bone marrow suppression was seen, as measured by the median number of complete blood cell counts with an absolute neutrophil count of < 1000 cells/microliter. CONCLUSIONS Treatment with EPO and iron significantly reduces PRBC transfusions in pediatric patients receiving concomitant chemotherapy for malignant sarcomas. A decrease in the number of platelet transfusions was also seen and deserves further study.
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Affiliation(s)
- J C Porter
- Department of Pediatrics, Children's Hospital of Philadelphia, University of Pennsylvania, USA
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Kamani N, August CS, Bunin N, Leahey A, Bayever E, Goldwein J, Zusman J, Evans AE, Angio GD. A study of thiotepa, etoposide and fractionated total body irradiation as a preparative regimen prior to bone marrow transplantation for poor prognosis patients with neuroblastoma. Bone Marrow Transplant 1996; 17:911-6. [PMID: 8807093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We report the toxicity and efficacy of a new conditioning regimen for bone marrow transplantation (BMT) in children with poor prognosis neuroblastoma (NBL). Twenty-seven patients with poor prognosis NBL were treated with teniposide (360 mg/m2) or etoposide (500 mg/m2), thiotepa (600-900 mg/m2), and 1200 cGy fractionated total body irradiation (fTBI) followed by autologous marrow rescue (n = 19) or allogeneic BMT from HLA-identical siblings (n = 8). The two patients who received teniposide, 600 mg/m2 thiotepa and fTBI had minimal toxicity but relapsed 4 and 12 months post-auto BMT. The next two patients received 750 mg/m2 thiotepa, 500 mg/m2 etoposide and TBI. They tolerated the conditioning regimen well and are alive and in remission 77 and 75 months post-BMT. At the next thiotepa dose level (900 mg/m2), the first two allograft recipients both experienced fatal regimen-related toxicity. All subsequent allograft recipients received 750 mg/m2 thiotepa and autograft recipients received 900 mg/m2 thiotepa. As of 1 April 1995, eight of the 19 patients who received autologous marrow are surviving disease-free 21 to 77 months post-BMT. Nine autograft recipients relapsed at 2 to 37 months following transplantation. One patient died of hepatic veno-occlusive disease 2 months after auto BMT, and one of pneumonia 6 months post-transplantation. Three allograft recipients have relapsed at 6, 10 and 39 months post-transplant and three are alive and in remission 75, 53 and 27 months post-BMT. Overall, 11/27 patients (41%) are alive and in remission 21-77 months (median 47 months) following BMT. A conditioning regimen consisting of 500 mg/m2 etoposide, thiotepa (750 mg/m2 for allograft recipients and 900 mg/m2 for autograft recipients) and 1200 cGy fTBI has acceptable toxicity and is at least as effective as melphalan-containing regimens in the treatment of high-risk NBL.
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Affiliation(s)
- N Kamani
- Bone Marrow Transplant Program, Miami Children's Hospital, FL, USA
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Abstract
Veno-occlusive disease (VOD) is the third leading cause of mortality after bone marrow transplant. Management consists of supportive care, with restricted fluids and diuretics. Most patients will recover, but approximately 25% may develop severe life threatening VOD with subsequent respiratory compromise and multiorgan failure. Orthotopic liver transplant has been attempted for a few patients with intractable VOD, but this approach is limited by availability of a cadaveric organ. We report a child who underwent a T-depleted unrelated donor bone marrow transplant for severe aplastic anemia as a manifestation of Schwachman-Diamond syndrome who developed severe VOD. She had evidence of engraftment when liver transplant was considered, and had no evidence of major organ dysfunction. The left lateral segment of her mother's liver was transplanted at day +33 following bone marrow transplantation. The child remains well ten months post-BMT and nine months after liver transplant. A related donor liver transplant may be a justifiable approach in a patient with severe VOD post-BMT.
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Affiliation(s)
- N Bunin
- Department of Pediatrics, Children's Hospital of Philadelphia, Pennsylvania 19134, USA
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Bunin N, Leahey A, Kamani N, August C. Bone marrow transplantation in pediatric patients with severe aplastic anemia: cyclophosphamide and anti-thymocyte globulin conditioning followed by recombinant human granulocyte-macrophage colony stimulating factor. J Pediatr Hematol Oncol 1996; 18:68-71. [PMID: 8556374 DOI: 10.1097/00043426-199602000-00013] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
PURPOSE Graft rejection remains a serious problem in patients transplanted for severe aplastic anemia. Although additional immunosuppression with irradiation may decrease graft failure, significant sequelae may ensue. We evaluated a nonirradiation containing conditioning regimen for children with severe aplastic anemia with matched sibling donors utilizing cyclophosphamide and anti-thymocyte globulin (ATG). To accelerate myeloid recovery, GM-CSF was used posttransplant. PATIENTS AND METHODS Twelve patients, with a median age of 3 years underwent BMT from HLA identical sibling (n = 11) or syngeneic (n = 1) donors. Conditioning was cyclophosphamide 50 mg/kg x 4 days and anti-thymocyte globulin 30 mg/kg x 3 days. GM-CSF was administered at 10 micrograms/kg until a neutrophil count of 1,000 was achieved. Cyclosporine alone was used for graft-versus-host disease prophylaxis. RESULTS All patients achieved durable engraftment at follow-up of 5-51 + months, with the exception of the identical twin. Median time to neutrophil counts > 200/microliters, 500/microliters, and 1,000/microliters were 12, 13, and 15 days, respectively. Acute GVHD of less than or equal to grade II occurred in four patients; one patient had grade III. This has resolved in all but one. CONCLUSION The nonradiation conditioning regimen of cyclophosphamide/ATG appears to achieve durable engraftment in transfused children with matched sibling donors. GM-CSF may accelerate myeloid recovery without exacerbating GVHD, but its contribution to allogeneic transplant required further study.
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Affiliation(s)
- N Bunin
- Division of Oncology, Children's Hospital of Philadelphia, PA 19104, USA
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Galetta SL, Leahey A, Nichols CW, Raps EC. Orbital ischemia, ophthalmoparesis, and carotid dissection. J Clin Neuroophthalmol 1991; 11:284-7. [PMID: 1838551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We report a patient who developed an acute loss of vision in the left eye associated with proptosis, ophthalmoparesis, conjunctival injection, and chemosis. Funduscopy revealed optic disc swelling, and retinal whitening consistent with an ophthalmic artery occlusion. Angiography disclosed bilateral carotid dissections presumably resulting from head trauma 11 days earlier. An orbital ischemic syndrome may be a delayed manifestation of traumatic carotid dissection and precede cerebral hypoperfusion.
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Affiliation(s)
- S L Galetta
- Department of Neurology, Hospital of the University of Pennsylvania, Philadelphia 19104
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