Sunday, December 19, 2021

Asthmatic Patients Have an Increased Risk of Hyperthyroidism

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Clinical Thyroidology, Volume 33, Issue 12, Page 523-525, December 2021.
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Obesity Is Associated with Increased Adipocyte Infiltration in the Thyroid Tissue: A New Perspective?

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Clinical Thyroidology, Volume 33, Issue 12, Page 516-519, December 2021.
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The Learning Curve for Radiofrequency Ablation of Benign Thyroid Nodules

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Clinical Thyroidology, Volume 33, Issue 12, Page 529-531, December 2021.
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Impact of modern personalized treatment of breast cancer on surgical attitude and outcomes

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Exp Ther Med. 2022 Jan;23(1):57. doi: 10.3892/etm.2021.10979. Epub 2021 Nov 17.

ABSTRACT

Multimodal treatment of breast cancer has made steady progress in recent years. The involvement of modern oncology, diagnostic imaging techniques and surgical treatment, have brought a definite benefit to patients, defining the multidisciplinary treatment of breast cancer. The introduction of immunohistochemical testing and genetic screening has led to the prioritization of therapy according to their results and a correct approach to initiating treatment. The main aim of the present study was to conduct a comparative analysis through a retrospective study of the therapeutic means used in breast cancer with the statistical evaluation of the obtained results. To carry out the study, a group of 125 patients hospitalized during the period January 2015 to December 2020, were included, and the parameters were selected from the observation sheets. The res ults of the study demonstrated the superiority of multimodal treatment of breast cancer over surgical treatment as the only therapeutic management. The introduction of ultrasound-guided biopsies and conservative surgical options has led to increased diagnostic accuracy and a significant improvement in aesthetic outcome. The multidisciplinary approach to breast cancer allows an individualized treatment by performing immunohistochemical testing and through the use of neoadjuvant and adjuvant treatment combined with conservative surgical techniques with a more favorable cosmetic and oncological result, with reduced postoperative complications.

PMID:34917183 | PMC:PMC8630438 | DOI:10.3892/etm.2021.10979

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HIF-1α mediates the protective effect of plasma extracellular particles induced by remote ischaemic preconditioning on oxidative stress injury in human umbilical vein endothelial cells

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Exp Ther Med. 2022 Jan;23(1):48. doi: 10.3892/etm.2021.10970. Epub 2021 Nov 15.

ABSTRACT

Remote ischaemic preconditioning (RIPC) is considered to alleviate myocardial ischaemia/reperfusion (I/R) injury. The present study explored whether blood plasma particulate matter, which is termed extracellular particles (EPs), and is released from cells during RIPC, could reduce H2O2-induced damage in human umbilical vein endothelial cells (HUVECs). Firstly, EPs were derived from volunteers who did or did not undergo RIPC. To induce RIPC in volunteers, a blood pressure cuff was alternatively inflated for 5 min and deflated for the same duration for four successive cycles. HUVECs were assigned to two groups: i) Group 1 was preincubated for 24 h with EPs from volunteers after sham-RIPC, then treated with H2O2 (1 mM; 6 h) to mimic the in vivo conditions of I/R-induced oxidative stress; and ii) group 2 was preincubated for 24 h with EPs from volunteers after RIPC, then treated with H2O2. Subsequently, EPs were derived from rats received sham-RIPC or RIPC and/or cadmium (Cd) pre-treatment. To induce RIPC in rats, a remote hind limb preconditioning stimulus was delivered using a blood pressure cuff attached at the inguinal level of the rat. The blood pressure cuff was alternatively inflated for 5 min and deflated for the same time period for four successive cycles. HUVECs were assigned to six groups: i) Group 1 was untreated; ii) group 2 received only H2O2 treatment (1 mM; 6 h); iii) group 3 was preincubated for 24 h with EPs from rats exposed to sham-RIPC, then treated with H2O2; iv) group 4 was preincubated for 24 h with EPs from rats that received an intraperitoneal injection of 1 mg/kg Cd [a pharmacological inhibitor of hypoxia-inducible factor 1-α (HIF-1α) in vivo] 180 min before sham-RIPC, then treat ed with H2O2; v) group 5 was preincubated for 24 h with EPs from rats exposed to RIPC, then treated with H2O2; and vi) group 6 was preincubated for 24 h with EPs from rats that received an intraperitoneal injection of 1 mg/kg Cd 180 min before RIPC, then treated with H2O2. Cell viability and cytotoxicity were monitored using Cell Counting Kit-8 and lactate dehydrogenase assays. Cell apoptosis and necrosis were assessed via flow cytometry and western blot analysis. A notable increase in EP concentration in the plasma of volunteers after RIPC compared with that in the plasma of volunteers after sham-RIPC was observed. RIPC-associated EPs (RIPC-EPs) from volunteers could improve cell viability and reduce cytotoxicity, cell apoptosis and necrosis in HUVECs treated with H2O2 in vitro. Furthermore, RIPC caused a significant increase in HIF-1α expression in the rat limb musculature. The apoptosi s-reducing effect of RIPC-EPs was demonstrated to be counteracted by an intraperitoneal injection of Cd before RIPC in rats. A significant decrease in the EP levels precipitated from the plasma of rats that received Cd treatment before RIPC was observed compared with rats that did not receive Cd treatment. The present study suggested that HIF-1α mediated at least partly the protective effect of plasma RIPC-EPs on oxidative stress injury in HUVECs.

PMID:34917179 | PMC:PMC8630 441 | DOI:10.3892/etm.2021.10970

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ASA Physical Status Classification and Complications Following Facial Fracture Repair

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Ann Otol Rhinol Laryngol. 2021 Dec 17:34894211059599. doi: 10.1177/00034894211059599. Online ahead of print.

ABSTRACT

BACKGROUND: To investigate the association between American Society of Anesthesiologists (ASA) physical status classification and rates of postoperative complications in patients undergoing facial fracture repair.

METHODS: Patients were divided into 2 cohorts based on the ASA classification system: Class I/II and Class III/IV. Chi-square and Fisher's ex act tests were used for univariate analyses. Multivariate logistic regressions were used to assess the independent associations of covariates on postoperative complication rates.

RESULTS: A total of 3575 patients who underwent facial fracture repair with known ASA classification were identified. Class III/IV patients had higher rates of deep surgical site infection (P = .012) as well as bleeding, readmission, reoperation, surgical, medical, and overall postoperative complications (P < .001). Multivariate regression analysis found that Class III/IV was significantly associated with increased length of stay (P < .001) and risk of overall complications (P = .032). Specifically, ASA Class III/IV was associated with increased rates of deep surgical site infection (P = .049), postoperative bleeding (P = .036), and failure to wean off ventilator (P = .027).

CONCLUSIONS: Higher ASA class is associated with increased length o f hospital stay and odds of deep surgical site infection, bleeding, and failure to wean off of ventilator following facial fracture repair. Surgeons should be aware of the increased risk for postoperative complications when performing facial fracture repair in patients with high ASA classification.

PMID:34918565 | DOI:10.1177/00034894211059599

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Impact of the Mutational Landscape of the Sodium/Iodide Symporter in Congenital Hypothyroidism

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Thyroid, Volume 31, Issue 12, Page 1776-1785, December 2021.
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Sinonasal Packing is Not a Requisite for Successful Cerebrospinal Fluid Leak Repair

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J Neurol Surg B Skull Base
DOI: 10.1055/s-0041-1740622

Background Numerous methods have been described to repair nasal cerebrospinal fluid (CSF) leaks. Most studies have focused on optimizing CSF leak repair success, leading to closure rates of 90 to 95%. Objective This study aimed to determine if excellent reconstruction rates could be achieved without using sinonasal packing. Methods A prospective case series of 73 consecutive patients with various CSF leak etiologies and skull base defects was conducted to evaluate reconstruction success without sinonasal packing. The primary outcome measure was postoperative CSF leak. Secondary outcome measures were postoperative epistaxis requiring intervention in operating room or emergency department, infectious sinusitis, and 22-item sinonasal outcome test (SNOT-22) changes. Results Mean age was 54.5 years and 64% were female. Multilayered reconstructions were performed in 55.3% of cases, with collagen or bone epidural inlay grafts, and nasal mucosal grafts or nasoseptal flaps for onlay layers. Onlay-only reconstructions with mucosal grafts or nasoseptal flaps were performed in 44.7% of cases. Tissue sealants were used in all cases, and lumbar drains were used in 40.8% of cases. There were two initial failures (97.4% initial success), but both resolved with lumbar drains alone (no revision surgeries). There were no instances of postoperative epistaxis requiring intervention in the operating room or emergency department. Infectious sinusitis occurred in 2.7% of patients in the first 3 months postoperatively. SNOT-22 did not change significantly from preoperatively to first postoperative visits, then improved over time. Conclusion Nasal CSF leaks from various etiologies and defect sites were successfully repaired without using sinonasal packing, and patients experienced minimal sinonasal morbidity.
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Georg Thieme Verlag KG Rüdigerstraße 14, 70469 Stuttgart, Germany

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Distinct Cytokine Signatures in Thyroiditis Induced by PD-1 or CTLA-4 Blockade: Insights from a New Mouse Model

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Thyroid, Volume 31, Issue 12, Page 1839-1849, December 2021.
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MAKOPLASTY MEDIAL UNICONDYLAR KNEE REPLACEMENT: CORRECTION OR POSTOPERATIVE ANGLE MATTERS?

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Abstract:

Introduction

There are lots of uncertainty prevails around optimal postoperative varus deformity, correction angle and physiological constitutional varus deformity. The goal of our present study was to understand correlation between these parameters and their influence over WOMAC.

Materials and methods

Consecutive robotic arm assisted medial onlay fixed bearing UKA in 143 knees studied. WOMAC score was recorded preoperatively and at specific intervals after surgery for consecutive two years.

Results

Mean preoperative and postoperative varus deformity was 10.2° and 4.8°, respectively, and mean correction angle was 5.4°. The preoperative varus and correction angles were found well correlated (r=0.815). The amount of improvement in the WOMAC total score was not influenced by the postoperative varus angle.

Conclusion

The correction angle has a stronger correlation with preoperative varus deformity, and postoperative varus deformity does not imply favourable clinical outcomes.

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Bispecific antibodies targeting CD3 in oncology and hematology

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Bull Cancer. 2021 Oct;108(10S):S181-S194. doi: 10.1016/j.bulcan.2021.06.003.

ABSTRACT

Bispecific therapies targeting CD3, so-called T-cell engagers (TCE), belong to the new spectrum of anti-tumor immunotherapies stimulating T-lymphocytes. TCE are unique constructs targeting the MHC-independent CD3 epsilon subunit (CD3e) and a tumor antigen. To date, only blinatumomab have reached market agreements in lymphoid malignancies with constructs targeting CD3exCD19. Other TCE are in advances development, with promising results targeting CD20 and BSMA in lymphoma and myeloma. These successes have relaunched the development of TCE in solid tumors, bringing mixed results so far (notably in terms of tolerance). Still, TCE pave the way to new immunotherapy in tumors considered to be refractory to inhibitors of immune checkpoints such as prostate cancer or colorectal cancer.

PMID:34920802 | DOI:10.1016/j.bulcan.2021.06.003

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Bispecific antibodies in onco-hematology: Applications and perspectives

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Bull Cancer. 2021 Oct;108(10S):S195-S204. doi: 10.1016/j.bulcan.2021.10.002.

ABSTRACT

Bispecific antibodies are novel approaches of immunotherapy engaging immune cells to destroy tumor cells. Their structure is variable and underlies their pharmacocinetic properties. These coumpounds are now being evaluated across multiple hematological malignancies. The anti-CD3/CD19 antibody blinatumomab is the first in class and have been approved for the treatment of patients with Ph-negative B-cell acute lymphoblastic leukemia. Other emerging applications are lymphoma, multiple myeloma and acute myeloid leukemia. The safety profile of bispecific antibodies is acceptable while limited by neurotoxicity and cytokine-release syndrome. The present review aims to depict the landscape of emerging bispecific antibodies currently in development for hematological malignancies.

PMID:34920803 | DOI:10.1016/j.bulcan.2021.10.002

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