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Nevin Manimala Statistics

Analysis of platelet antibody screening in 38 840 inpatients

Xi Bao Yu Fen Zi Mian Yi Xue Za Zhi. 2021 Aug;37(8):736-740.

ABSTRACT

Objective To detect and analyze the distribution characteristics of platelet antibodies in inpatients and explore the causes of platelet antibodies, so as to provide data support for improving the quality of blood transfusion. Methods A total of 38 840 patients were selected. The platelet-related antibodies were detected by Capture-P solid-phase detection system, and the positive rate of antibodies was analyzed statistically. Results Of the 38840 inpatients, 3989 were positive for platelet antibodies, with a positive rate of 10.27%. The positive rates of male and female patients were 8.7% and 11.5%, respectively. The positive rate of platelet antibodies in patients under 18 years old was 6.98% which was significantly lower than that in patients ≥66 years old and 18~65 years old. The positive rates of patients with pregnancy history and blood transfusion history increased significantly, which were 14.4% and 14.7%, respectively. The positive rate of patients with blood system diseases and liver cirrhosis with gastrointestinal bleeding diseases was over 20%. The positive rates of patients in the Hematology Department, Intensive Care Department and Obstetrics Department ranked the top three, with the positive rates of 15.17%, 14.97%, and 13.67%, respectively. The positive rates of platelet antibodies in patients with blood types B and AB were lower than those in patients with blood types A and O. Conclusion In clinical platelet transfusion, the influence of the patients’ age, gender, hospitalized diseases, hospitalized department and other factors on platelet antibodies should be considered to reduce the occurrence of platelet transfusion refractoriness.

PMID:34236034

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Is There a Difference in Screw Accuracy, Robot Time Per Screw, Robot Abandonment, and Radiation Exposure Between the Mazor X and the Renaissance? A Propensity-Matched Analysis of 1179 Robot-Assisted Screws

Global Spine J. 2021 Jul 8:21925682211029867. doi: 10.1177/21925682211029867. Online ahead of print.

ABSTRACT

STUDY DESIGN: Prospective single-cohort analysis.

OBJECTIVES: To compare the outcomes/complications of 2 robotic systems for spine surgery.

METHODS: Adult patients (≥18-years-old) who underwent robot-assisted spine surgery from 2016-2019 were assessed. A propensity score matching (PSM) algorithm was used to match Mazor X to Renaissance cases. Preoperative CT scan for planning and an intraoperative O-arm for screw evaluation were preformed. Outcomes included screw accuracy, robot time/screw, robot abandonment, and radiation. Screw accuracy was measured using Vitrea Core software by 2 orthopedic surgeons. Screw breach was measured according to the Gertzbein/Robbins classification.

RESULTS: After PSA, a total of 65 patients (Renaissance: 22 vs. X: 43) were included. Patient/operative factors were similar between robot systems (P > .05). The pedicle screw accuracy was similar between robots (Renaissance: 1.1%% vs. X: 1.3%, P = .786); however, the S2AI screw breach rate was significantly lower for the X (Renaissance: 9.5% vs. X: 1.2%, P = .025). Robot time per screw was not statistically different (Renaissance: 4.6 minutes vs. X: 3.9 minutes, P = .246). The X was more reliable with an abandonment rate of 2.3% vs. Renaissance:22.7%, P = .007. Radiation exposure were not different between robot systems. Non-robot related complications including dural tear, loss of motor/sensory function, and blood transfusion were similar between robot systems.

CONCLUSION: This is the first comparative analyses of screw accuracy, robot time/screw, robot abandonment, and radiation exposure between the Mazor X and Renaissance systems. There are substantial improvements in the X robot, particularly in the perioperative planning processes, which likely contribute to the X’s superiority in S2AI screw accuracy by nearly 8-fold and robot reliability by nearly 10-fold.

PMID:34235996 | DOI:10.1177/21925682211029867

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A Survey of People With Parkinson’s and Their Carers: The Management of Pain in Parkinson’s

J Geriatr Psychiatry Neurol. 2021 Jul 8:8919887211023592. doi: 10.1177/08919887211023592. Online ahead of print.

ABSTRACT

BACKGROUND: Pain in Parkinson’s is problematic but under treated in clinical practice. Healthcare professionals must understand the impact of pain in Parkinson’s and patient preferences for management.

OBJECTIVE: To understand the impact of pain in Parkinson’s and to understand current management and preferences for pain management.

METHODS: We conducted a national survey with 115 people with Parkinson’s (PwP) and 10 carers. Both closed and open questions were used. The questions focused on how pain affected the individual, healthcare professional involvement in supporting pain management, current pain management strategies and views on future pain management interventions. We used descriptive statistics to summarize closed responses and thematic analysis to summarize open question responses.

RESULTS: 70% of participants reported pain impacted their daily life. Pain had a multifactorial impact on participants, affecting movement, mood and quality of life. Improved pain management was viewed to have the potential to address each of these challenges. Pain affected a number of different sites, with low back pain and multiple sites being most frequently reported. Exercise was the most frequently noted strategy (38%) recommended by healthcare professionals for pain management. PwP would value involvement from healthcare professionals for future pain management, but also would like to self-manage the condition. Medication was not suggested as a first line strategy.

CONCLUSIONS: Despite reporting engagement in some strategies to manage pain, pain still has a wide-ranging impact on the daily life of PwP. Results from this survey highlight the need to better support PwP to manage the impact of pain.

PMID:34235999 | DOI:10.1177/08919887211023592

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MRI-based radiomics: promise for locally advanced cervical cancer treated with a tailored integrated therapeutic approach

Tumori. 2021 Jul 8:3008916211014274. doi: 10.1177/03008916211014274. Online ahead of print.

ABSTRACT

OBJECTIVE: To assess prognostic factors by analyzing clinical and radiomic data of patients with locally advanced cervical cancer (LACC) treated with definitive concurrent cisplatin-based chemoradiotherapy (CCRT) using magnetic resonance imaging (MRI).

METHODS: We analyzed radiomic features from MRI in 60 women with FIGO (International Federation of Gynecology and Obstetrics) stage IB2-IVA cervical cancer who underwent definitive CCRT 45-50.4 Gy (in 25-28 fractions). Thirty-nine (65.0%) received EBRT sequential boost (4-20 Gy) on primary tumor site and 56 (93.3%) received high-dose-rate brachytherapy boost (6-28 Gy) (daily fractions of 5-7 Gy). Moreover, 71.7% of patients received dose-dense neoadjuvant chemotherapy for 6 cycles. The gross tumor volume was defined on T2-weighted sequences and 29 features were extracted from each MRI performed before and after CCRT, using dedicated software, and their prognostic value was correlated with clinical information.

RESULTS: In univariate analysis, age ⩾60 years and FIGO stage IB2-IIB had significantly better progression-free survival (PFS) (p = 0.022 and p = 0.009, respectively). There was a trend for significance for worse overall survival (OS) in patients with positive nodes (p = 0.062). In multivariate analysis, only age ⩾60 years and FIGO stage IB2-IIB reached significantly better PFS (p = 0.020 and p = 0.053, respectively). In radiomic dataset, in multivariate analysis, pregray level p75 was significantly associated with PFS (p = 0.047), pre-D3D value with OS (p = 0.049), and preinformation measure of correlation value with local control (p = 0.031).

CONCLUSION: The combination of clinical and radiomics features can provide information to predict behavior and prognosis of LACC and to make more accurate treatment decisions.

PMID:34235995 | DOI:10.1177/03008916211014274

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Implementation of a Surgical Intensivist Model Increases Palliative Care Consultation in the Care of Trauma ICU Patients

Am J Hosp Palliat Care. 2021 Jul 8:10499091211025733. doi: 10.1177/10499091211025733. Online ahead of print.

ABSTRACT

OBJECTIVE: This study investigated patient outcomes of care before and after transitioning to a surgical intensivist-led trauma-intensive care unit (ICU) team. The intensivist team provided daily multidisciplinary rounds and continuity of care. Prior to an intensivist model, general surgeons cared for trauma patients admitted to the unit.

METHODS: Outcomes of 1,078 trauma patients, admitted to the ICU at a Level II trauma center, under care of general surgeons (1/2011-8/2012, n = 449) were retrospectively compared with care managed by a surgical intensivist team (1/2013-5/2015, n = 629) by Pearson Chi-squared and Wilcoxon tests. A multivariable logistic regression technique was used to control for covariates. Demographics and injury severity were analyzed. The primary outcome was ICU mortality. The secondary outcomes were length of stay (LOS), ventilator-free and ICU-free days, and ICU readmission rate. Other data collected included palliative care consultation. Results: There were no statistically significant differences in ICU mortality (P = 0.055), hospital LOS (P = 0.481), ventilator-free days (P = 0.174), or ICU readmission rate (P = 0.587). The surgical intensivist team consulted palliative care more frequently (4.0% vs 13.5%, P < 0.001), while managing more trauma patients who were older than 65 years (P < 0.001) with lower Glasgow Coma Scale (P = 0.048) and higher injury severity (P = 0.025) and abbreviated injury scale (P < 0.001) scores.

DISCUSSION: There were no differences in outcomes. However, incorporating palliative care consultation in the ICU is essential in the support of critically ill patients and their families. These data demonstrate that a surgical intensivist team utilized palliative care more often in the management of trauma patients admitted to the ICU.

PMID:34235976 | DOI:10.1177/10499091211025733

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Final Posttreatment Occlusion in Patients With Unilateral Cleft Lip and Palate

Cleft Palate Craniofac J. 2021 Jul 8:10556656211028506. doi: 10.1177/10556656211028506. Online ahead of print.

ABSTRACT

OBJECTIVE: To evaluate final posttreatment occlusion in patients with complete unilateral cleft lip and palate (cUCLP) by comparing (1) 3 treatment centers, (2) males and females, (3) cleft and noncleft sides, (4) right- and left-sided clefts, and (5) orthodontic treatment with/without orthognathic surgery (OS).

DESIGN: Retrospective cohort study.

PATIENTS: Blinded posttreatment dental casts of 56 patients (19.4 ± 1.4 years) with cUCLP from 3 centers in Switzerland.

MAIN OUTCOME MEASURE: Occlusal assessment using the modified Huddart/Bodenham (MHB) index.

RESULTS: Our sample comprised 35 males and 21 females, 46 with left- and 10 with right-sided clefts, of which 32 had undergone OS. The final posttreatment occlusion showed a median MHB score of 0 (interquartile range: -1.0 to 2.0) in the total sample and did not seem to depend on treatment center, sex, or OS. The MHB scores for the anterior buccal and the buccal segments were more negative on the cleft than on the noncleft side (P = .002 and P = .006, respectively). When the cleft was on the left side, the MHB score tended to be more positive in the labial (P = .046) and anterior buccal segments (P = .034).

CONCLUSIONS: This study shows a very satisfactory final posttreatment occlusion in patients with cUCLP. The more constricted buccal occlusion on the cleft side emphasizes the attention that should be given in correcting the more medially positioned lesser maxillary segment. The influence of cleft-sidedness should be analyzed further on a sample including more patients with right-sided clefts.

PMID:34235980 | DOI:10.1177/10556656211028506

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Osteoconductivity of Porous Titanium Structure on Implants in Osteoporosis

J Dent Res. 2021 Jul 8:220345211023724. doi: 10.1177/00220345211023724. Online ahead of print.

ABSTRACT

In compromised bone conditions such as osteoporosis, developments of the implant surface are necessary to secure the stability of implants. This study investigated the effect of the surface porous titanium structure (PS) on the osseointegration of implants in osteoporotic bone. Bilateral ovariectomy (OVX) was performed in 4 female beagle dogs to induce osteoporosis for 32 wk. Success of induction was based on the evaluation of bone mineral density by Hounsfield units (HU) in computed tomography images. Posterior teeth in both mandibles were extracted 1 wk after OVX, and a total of 30 implants (15 implants in each group) were placed after 32 wk of osteoporosis induction. The control group implant underwent resorbable blast media (RBM) surface treatment, whereas the test group underwent RBM surface treatment in the coronal two-thirds and a PS added to the apical 3-mm portion. HU values in the mandibular trabecular bone, lumbar, and femoral head significantly decreased 32 wk after OVX, confirming osteoporotic condition after induction. Resonance frequency analysis and removal torque test showed comparable values between the 2 groups at 4 wk after implant placement. The surface topography of the implant after removal showed hard tissue integration at the PS in the test group. Bone-to-implant contact length was greater in the apical portion of the test group, although statistical significance was not found between the groups. Interthread bone area in the apical portion of the test group showed a significant increase compared to the control group (control: 0.059 ± 0.041 mm2, test: 0.121 ± 0.060 mm2, P = 0.028) with the histological feature of bone ingrowth at the PS. The findings of the study demonstrated that the surface PS could improve osteoconductivity in the osteoporotic trabecular bone by bone ingrowth at the pore space, thereby enhancing the osseointegration and stability of the implants.

PMID:34235985 | DOI:10.1177/00220345211023724

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Update on the parameters influencing the adjustment of the sagittal and transversal condylar inclination of dental articulators

Quintessence Int. 2021 Jul 8;0(0):0. doi: 10.3290/j.qi.b1702361. Online ahead of print.

ABSTRACT

OBJECTIVES: The literature review aimed to compile and summarize the results of research relating to the recordings of condylar displacements obtained with extraoral devices, to guide clinicians to set dental (virtual) articulator parameters. The meta-analysis was undertaken to assess the sagittal condylar inclination (SCI) and transversal condylar inclination (TCI, also known as Bennett angle) values according to horizontal reference planes, movement studied, and patient characteristics: dental status, interocclusal relationship, skeletal pattern, and signs and symptoms of temporomandibular disorders (TMD).

DATA SOURCES: A bibliographic search was conducted in the three following electronic databases: MEDLINE, EMBASE, and Cochrane Library and Best Evidence. The review was restricted to trials involving participants meeting the following criteria: (1) adult, (2) no previous surgery in the temporomandibular region, and (3) no serious comorbidity conditions. Descriptive statistics were calculated for all study groups and were compared by applying a one-way ANOVA.

CONCLUSION: All 20 articles selected corresponded to a total of 933 subjects evaluated. The recording devices and horizontal reference planes had a significant impact on the SCI values. Age, dental status, and the presence of symptoms and signs of TMD in subjects had no influence on SCI values, unlike Angle class II, division 2, the class II sagittal pattern, or the increased vertical skeletal pattern SCI parameters (P < .05). The mean TCI value was 8 degrees and was independent of individual patient characteristics and the extraoral recording device used. For accurate kinematic simulation, the patient’s personal plane of reference must be transferred to the system.

PMID:34235911 | DOI:10.3290/j.qi.b1702361

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Two-year outcomes following the adjunctive use of InGaAsP and Er,Cr:YSGG lasers in nonsurgical periodontal therapy in patients with stages III and IV periodontitis

Quintessence Int. 2021 Jul 8;0(0):0. doi: 10.3290/j.qi.b1702285. Online ahead of print.

ABSTRACT

OBJECTIVE: To evaluate the clinical outcomes 2 years after the adjunctive use of an InGaAsP diode and Er,Cr:YSGG laser for nonsurgical treatment of severe periodontitis.

METHOD AND MATERIALS: Forty-two patients (45.31 ± 9.78 years old, n = 22 females, n = 23 smokers) with stage III or IV grade B periodontitis were randomly treated either with laser (InGaAsP + Er,Cr:YSGG) adjunctive to subgingival debridement (test group, n = 21) or with subgingival debridement alone (control group, n = 21). Subjects in the test group received a second laser treatment in residual sites 2 months after the initial laser therapy. At baseline, and at 12 and 24 months after therapy, periodontal clinical parameters were evaluated. The primary outcome variable was the number of residual deep sites at 12 months (probing depth [PD] ≥ 6 mm).

RESULTS: One and two years after nonsurgical periodontal treatment, both groups yielded statistically significant clinical improvements. The adjunctive use of InGaAsP and Er,Cr:YSGG laser to mechanical debridement resulted in statistically significantly higher clinical (PD, clinical attachment level, bleeding on probing, number of sites with PD ≥ 5 mm, PD ≥ 6 mm, PD ≥ 7 mm) improvements (P < .05) compared to subgingival debridement alone both at 12 and 24 months after therapy.

CONCLUSION: In patients with stage III or IV grade B periodontitis, InGaAsP and Er,Cr:YSGG used adjunctively to subgingival debridement may additionally improve the clinical outcomes compared to mechanical debridement alone over a period of 24 months.

PMID:34235909 | DOI:10.3290/j.qi.b1702285

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Efficacy of buccal versus intranasal route of administration of midazolam spray in behavior management of preschool dental patients

Quintessence Int. 2021 Jul 8;0(0):0. doi: 10.3290/j.qi.b1702197. Online ahead of print.

ABSTRACT

OBJECTIVE: To assess the efficacy of aerosolized midazolam, introduced through buccal versus intranasal mucosa in managing uncooperative children undergoing dental treatment.

METHOD AND MATERIALS: A crossover randomized controlled clinical trial included 36 children aged 3 to 5 years, rated I or II according to the Frankl scale and ASA I or II. Each child fulfilled the requirement of having a dental condition that needed treatment in two dental settings. They were randomly assigned to one of two groups; either buccal or intranasal aerosolized midazolam was administered at the first visit. The alternate route was implemented with a 1-week washout period in the second visit. Drug acceptance and time until optimum sedation were measured. Crying, sleeping, head resistance, and child overall behavior were assessed using modified Houpt scale.

RESULTS: In total, 34 patients (95 %) were drowsy on optimum sedation. There was a statistically higher acceptance of buccal midazolam (P < .001). Onset of optimum sedation was more rapid for the intranasal group, with a mean of 15.50 ± 4.226 minutes (P < .001), while in the buccal group the mean was 22.97 ± 4.582 minutes. No statistical differences were recorded between the two groups in all behavior rating scales, except for crying where the intranasal group was statistically higher (P = .010). Regarding the overall behavior, there was no significant difference recorded between the two groups (P = .204).

CONCLUSION: Aerosolized buccal midazolam was more tolerated by the patients. However, intranasal aerosolized midazolam had a more rapid onset of sedation. Both buccal and intranasal administrations of aerosolized midazolam are safe and effective.

PMID:34235908 | DOI:10.3290/j.qi.b1702197