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848 citation(s) found for "Erasmus, D".

The Change of Plane of the Supratrochlear and Supraorbital Arteries in the Forehead—An Ultrasound-Based Investigation
Cotofana, Sebastian , Velthuis, Peter J. , Alfertshofer, Michael , Frank, Konstantin , Bertucci, Vince , Beleznay, Kate, Swift, Arthur, Gavril, Diana L., Lachman, Nirusha , Cotofana, Sebastian , Alfertshofer, Michael , Frank, Konstantin , Schelke, Leonie

Mayo Clinic

Aesthetic Surgery Journal | March 2, 2021 | Volume: 41 | Issue: 11 | Pages: NP1589-NP1598

10.1093/asj/sjaa421 | PMID 33652475 Get It

Abstract Background Injecting soft tissue fillers into the deep plane of the forehead carries the risk of injection-related visual compromise due to the specific course of the arterial vasculature. Objectives The aim of this study was to investigate the 2- and 3-dimensional location of the change of plane of the deep branch of the supratrochlear and supraorbital artery, respectively. Methods A total of 50 patients (11 males and 39 females; mean age, 49.76 [13.8] years, mean body mass index, 22.53 [2.6] kg/m2) were investigated with ultrasound imaging. The total thickness and the distance of the arteries from the skin and bone surface were measured with an 18-MHz broadband compact linear array transducer. Results The deep branch of the supraorbital artery changed plane from deep to superficial to the frontalis muscle at a mean distance of 13 mm (range, 7.0-19.0 mm) in males and at 14 mm (range, 4.0-24.0 mm) in females and for the deep branch of the supratrochlear artery at a mean distance of 14 mm in males and females (range, 10.0-19.0 in males, 4.0-27.0 in females) when measured from the superior orbital rim. Conclusions Based on the ultrasound findings in this study, it seems that the supraperiosteal plane of the upper and lower forehead could be targeted during soft tissue filler injections because the deep branches of both the supraorbital and supratrochlear arteries do not travel within this plane. The superficial plane of the lower forehead, however, should be avoided due to the unpredictability and inconsistent presence of the central and paracentral arteries. Level of Evidence: 4
Associations between Human Chorionic Gonadotropin, Maternal Free Thyroxine, and Gestational Diabetes Mellitus
Liu, Yindi , Guo, Fei , Zhang, Yong , Korevaar, Tim I.M. , Maraka, Spyridoula , Zhang, Chen , Fan, Jianxia

Mayo Clinic

Thyroid® | February 23, 2021 | Volume: 31 | Issue: 8 | Pages: 1282-1288

10.1089/thy.2020.0920 | PMID 33619987 Get It

Background: Human chorionic gonadotropin (hCG) is a marker of placental function, which also stimulates the maternal thyroid gland. Maternal thyroid function can be associated with the pathophysiology of gestational diabetes mellitus (GDM). We aimed to study whether there is an association of hCG concentrations in early pregnancy with GDM and whether it is mediated through maternal thyroid hormones. Methods: This study included 18,683 pregnant women presenting at a tertiary hospital in Shanghai, China, between January 2015 and December 2016. GDM was diagnosed using a 2-hour, 75-g, oral glucose tolerance test (OGTT) according to the American Diabetes Association guidelines. Multivariable logistic or linear regression models were used to identify associations, adjusting for maternal age, education level, family history of diabetes, parity, fetal sex, thyroperoxidase antibody (TPOAb) status, and prepregnancy body–mass index. Results: Higher hCG concentrations were associated with a lower plasma glucose level during the OGTT, but not with fasting plasma glucose or hemoglobin A1c concentrations tested during early pregnancy. hCG in early pregnancy was negatively associated with GDM risk ( p = 0.027). Mediation analysis identified that an estimated 21.4% of the association of hCG-associated GDM risk was mediated through changes in free thyroxine (fT4) concentrations ( p < 0.05). In the sensitivity analysis restricted to TPOAb-positive women, hCG was not associated with GDM ( p = 0.452). Conclusions: Higher hCG levels in early pregnancy are associated with a lower risk of GDM. Maternal fT4 may act as an important mediator in this association.
The state of neuro-oncology during the COVID-19 pandemic: a worldwide assessment
Mrugała, Maciej M. , Pressley, Shelley M., Taylor, Jennie , Thomas, Alissa A. , Wefel, Jeffrey S. , Acquaye, Alvina , Haynes, Chas, Agnihotri, Sameer , Lim, Michael , Peters, Katherine B. , Sulman, Erik P. , Salcido, Joanne, Butowski, Nicholas , Hervey‐Jumper, Shawn L. , Mansouri, Alireza , Oliver, Kathy , Porter, Alyx B. , Nassiri, Farshad , Schiff, David , Dunbar, Erin, Hegi, Monika E. , Bent, Martin J. van den , Chang, Susan M. , Zadeh, Gelareh , Chheda, Milan G. , Wefel, Jeffrey S , Peters, Katherine B , Mansouri, Alireza , Armstrong, Terri S , van den Bent, Martin J , Zadeh, Gelareh , Chheda, Milan G , Sulman, Erik P , Ostrom, Quinn T. , Coven, Scott L. , Armstrong, Terri S. , Chang, Susan Marina

Mayo Clinic

Neuro-Oncology Advances | February 21, 2021 | Volume: 3 | Issue: 1 | Pages: No page available

10.1093/noajnl/vdab035 | PMID 34007966 Get It

AbstractBackgroundIt remains unknown how the COVID-19 pandemic has changed neuro-oncology clinical practice, training, and research efforts.MethodsWe performed an international survey of practitioners, scientists, and trainees from 21 neuro-oncology organizations across 6 continents, April 24–May 17, 2020. We assessed clinical practice and research environments, institutional preparedness and support, and perceived impact on patients.ResultsOf 582 respondents, 258 (45%) were US-based and 314 (55%) international. Ninety-four percent of participants reported changes in their clinical practice. Ninety-five percent of respondents converted at least some practice to telemedicine. Ten percent of practitioners felt the need to see patients in person, specifically because of billing concerns and pressure from their institutions. Sixty-seven percent of practitioners suspended enrollment for at least one clinical trial, including 62% suspending phase III trial enrollments. More than 50% believed neuro-oncology patients were at increased risk for COVID-19. Seventy-one percent of clinicians feared for their own personal safety or that of their families, specifically because of their clinical duties; 20% had inadequate personal protective equipment. While 69% reported increased stress, 44% received no psychosocial support from their institutions. Thirty-seven percent had salary reductions and 63% of researchers temporarily closed their laboratories. However, the pandemic created positive changes in perceived patient satisfaction, communication quality, and technology use to deliver care and mediate interactions with other practitioners.ConclusionsThe pandemic has changed treatment schedules and limited investigational treatment options. Institutional lack of support created clinician and researcher anxiety. Communication with patients was satisfactory. We make recommendations to guide clinical and scientific infrastructure moving forward and address the personal challenges of providers and researchers.
Cell Surface Glycoprotein CD24 Marks Bone Marrow-Derived Human Mesenchymal Stem/Stromal Cells with Reduced Proliferative and Differentiation Capacity In Vitro
Peppel, Jeroen van de , Schaaf, Gerben , Matos, Adriana Arruda , Guo, Yuan , Strini, Tanja, Verschoor, W., Dudakovic, Amel , Wijnen, André J. van , Leeuwen, Johannes P.T.M. van , van Wijnen, Andre J

Mayo Clinic

Stem Cells and Development | February 17, 2021 | Volume: 30 | Issue: 6 | Pages: 325-336

10.1089/scd.2021.0027 | PMID 33593128 Get It

Growth of Unruptured Aneurysms: A Meta-analysis of Natural History and Endovascular Studies
Doormaal, Pieter Jan van , Es, Adriaan C.G.M. van , Roozenbeek, Bob , Lingsma, Hester F. , Krisht, Ali F., Volovici, Victor , Verploegh, Iris S.C. , Lanzino, Giuseppe , Dammers, Rúben

Mayo Clinic

No container title available | February 16, 2021 | Volume: No volume available | Issue: No issue available | Pages: No page available

10.21203/rs.3.rs-228958/v1 Get It

Abstract Growth of unruptured intracranial aneurysms (UIAs) is a strong predictor of rupture. Clinical observations suggest that UIAs might grow faster after endovascular treatment than untreated UIAs. There are no head-to-head comparisons of incidence rates of UIAs so far. In this meta-analysis, we compared the incidence rates of growth of untreated UIAs and endovascularly treated UIAs. Methods: We searched PubMed, Embase and Google Scholar for relevant articles and conference abstracts in English, German or French from the inception of the databases to March 2020. We performed a meta-analysis by pooling the incidence rates for growth of aneurysms from natural history studies and endovascular treatment studies. Generalized linear models were used for multivariable adjustment for the prespecified confounders age, size and location. Results: 25 studies (10 describing growth in natural history and 15 reporting growth after endovascular therapy) with 6325 aneurysms were included in the meta-analysis. Median size of the aneurysm was 3.7 mm in the natural history studies and 6.4 mm in endovascular treatment studies (p = 0.001). The pooled incidence rate (IR) of growth was significantly higher in endovascular treatment studies (IR 52 per 1000 person-years, 95% Confidence Interval (CI) 36–79) compared to natural history studies (IR 28 per 1000 person-years, 95% CI 17–46), also after adjustment. Conclusion: The incidence rate of growth in endovascularly treated aneurysms was higher than in natural history studies. However, these results should be viewed in the light of high risk of bias of the individual studies and risk of ecological bias.
Abstract GS4-08: Clinical utility of repeated circulating tumor cell (CTC) enumeration as early treatment monitoring tool in metastatic breast cancer (MBC) - a global pooled analysis with individual patient data
Janni, Wolfgang , Yab, Tracy C. , Hayes, Daniel F. , Regan, Meredith M. , Dirix, Luc , Gazzaniga, Paola , Gisbert‐Criado, Rafael , Jiang, Zefei , Magbanua, Mark Jesus M. , Mavroudis, Dimitriοs , Müller, Volkmar , Pierga, Jean‐Yves , Rack, Brigitte , Riethdorf, Sabine , Sleijfer, Stefan , Smerage, Jeffrey B. , Liu, Minetta C. , Gisbert-Criado, Rafael , Cristofanilli, Massimo , Bidard, Francois-Clément , Ignatiadis, Michail , Alix‐Panabières, Catherine , Barlow, William E. , Caldas, Carlos , Carey, Lisa A. , Fehm, Tanja , García-Sáenz, José Á. , Generali, Daniele , Gerratana, Lorenzo , Jacot, William , Lianidou, Evi , Manso, Luís , Munzone, Elisabetta , Pantel, Klaus , Rugo, Hope S. , Sideras, Kostandinos , Stebbing, Justin , Terstappen, Leon W.M.M. , Vidal-Martínez, José , Zamarchi, Rita , Giridhar, Karthik V. , Friedl, Thomas W P

Mayo Clinic

Cancer Research | February 15, 2021 | Volume: 81 | Issue: 4_Supplement | Pages: GS4-08-GS4-08

10.1158/1538-7445.sabcs20-gs4-08 Get It

Abstract Background: Several studies suggest clinical utility of serial circulating tumor cell (CTC) enumeration as a means of assessing response status in metastatic breast cancer (MBC). The aim of this study is to conduct a comprehensive pooled analysis comprising globally available data to further define and explore the role of CTC enumeration as a tool for early treatment monitoring in patients with MBC with a focus on the predictive power in different breast cancer subtypes and clinical settings. Methods: In a global effort, peer-reviewed published studies with data on repeated CTC assessments (CellSearch® technology; Menarini Silicon Biosystems; Bologna, Italy) in MBC patients were screened and investigators were asked to provide individual patient data for this pooled analysis. 2761 cases from 32 data sets with data on both baseline and one follow up CTC assessments were included in the analysis (median time interval between the two CTC assessments 35 days). Data were analyzed using log rank tests and Cox regressions to evaluate the association between serial CTC enumeration results and overall survival (OS) in the full patient cohort and defined subgroups. Results: 588 (21.3%) patients had no CTCs at both time points (neg/neg), 236 (8.5%) patients were CTC negative at baseline and CTC positive at follow up (neg/pos), 712 (25.8%) patients converted from CTC positive at baseline to CTC negative (pos/neg), and 1225 (44.4%) patients had at least one CTC at both time points (pos/pos). Log rank tests showed significant differences in OS between these four CTC change groups (p &lt; 0.0001 for all pairwise comparisons except for the comparison between neg/pos and pos/neg, p = 0.015). Median OS for the neg/neg, neg/pos, pos/neg and pos/pos group was 45.6, 26.1, 34.6, and 17.6 months, respectively. Hazard ratios (HR) (reference group neg/neg) were 1.38 (95% CI 1.16 - 1.64) for the pos/neg group, 1.78 (95% CI 1.43 - 2.22) for the neg/pos group, and 3.06 (95% CI 2.63 - 3.56) for the pos/pos group. Results were similar if a cutoff of 5 CTCs was used for CTC positivity (pos/neg group: HR 1.43, 95% CI 1.25 - 1.63; neg/pos group: HR 2.39, 95% CI 1.91 - 2.99; pos/pos group: HR 3.54, 95% CI 3.12 - 4.02). In total, 2586 patients could be assigned to different tumor subtypes based on known hormone receptor (ER) and HER2 status of the primary tumor: 1513 (58.5%) patients had a luminal-like tumor (ER positive, HER2 negative), 682 (26.4%) patients had a HER2-positive tumor, and 391 (15.1%) patients had a triple-negative tumor. In patients with luminal-like tumors, the hazard ratios were 1.67 (95% CI 1.29 - 2.17), 2.01 (95% CI 1.45 - 2.77), and 3.87 (95% CI 3.09 - 4.83) for the pos/neg, neg/pos, and pos/pos group, respectively. In patients with HER2-positive tumors, the neg/pos group (HR 1.68, 95% CI 1.12 - 2.53) and the pos/pos group (HR 2.11, 95% CI 1.58 - 2.83) showed significantly worse OS compared to the neg/neg group, while in triple-negative patients, the pos/pos group had a significantly shorter OS compared to the neg/neg group (HR 2.99, 95% CI 2.11 - 4.24). The results will be up-dated by inclusion of additional large data sets (CALGB 40502, CALGB 40503, COMET, SWOG S0500, TBCRC 001) for the analysis to be presented at SABCS 2020. Conclusion: This large pooled analysis confirms that at a median of 35 days after treatment initiation, follow-up CTC assessments strongly predict overall survival. These results suggest potential clinical utility of CTC monitoring as early response marker in MBC, especially in luminal-like tumors. Citation Format: Wolfgang J Janni, Tracy C. Yab, Daniel F. Hayes, Massimo Cristofanilli, Francois-Clement Bidard, Michail Ignatiadis, Meredith M. Regan, Catherine Alix-Panabières, William E. Barlow, Carlos Caldas, Lisa A. Carey, Luc Dirix, Tanja Fehm, Jose A. Garcia-Saenz, Paola Gazzaniga, Daniele Generali, Lorenzo Gerratana, Rafael Gisbert-Criado, William Jacot, Zefei Jiang, Evi Lianidou, Mark J.M. Magbanua, Luis Manso, Dimitrios Mavroudis, Volkmar Müller, Elisabetta Munzone, Klaus Pantel, Jean-Yves Pierga, Brigitte Rack, Sabine Riethdorf, Hope S. Rugo, Kostandinos Sideras, Stefan Sleijfer, Jeffrey Smerage, Justin Stebbing, Leon W.M.M. Terstappen, José Vidal-Martínez, Rita Zamarchi, Karthik Giridhar, Thomas W.P. Friedl, Minetta C. Liu. Clinical utility of repeated circulating tumor cell (CTC) enumeration as early treatment monitoring tool in metastatic breast cancer (MBC) - a global pooled analysis with individual patient data [abstract]. In: Proceedings of the 2020 San Antonio Breast Cancer Virtual Symposium; 2020 Dec 8-11; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2021;81(4 Suppl):Abstract nr GS4-08.
Abstract GS3-09: Chances of pregnancy after breast cancer, reproductive and disease outcomes: A systematic review and meta-analysis
Poorvu, Philip D. , Kim, Hee Jeong , Pistilli, Barbara , Ruddy, Kathryn J. , Sertoli, Chiara, Azim, Hatem A. , Pagani, Olivia , Blondeaux, Eva , Perachino, Marta , Bruzzone, Marco , Anderson, Richard A. , Azambuja, Evandro de , Villarreal‐Garza, Cynthia , Vaz-Luís, Inês , Saura, Cristina , Franzoi, Maria Alice , Ceppi, Marcello , Amant, Frédéric , Demeestere, Isabelle , Mastro, Lucia Del , Partridge, Ann H. , Peccatori, Fedro A , Lambertini, Matteo

Mayo Clinic

Cancer Research | February 15, 2021 | Volume: 81 | Issue: 4_Supplement | Pages: GS3-09-GS3-09

10.1158/1538-7445.sabcs20-gs3-09 Get It

Abstract Background: Pregnancy-related issues are a priority for young breast cancer (BC) patients. Increasing evidence has shown that pregnancy after prior BC diagnosis is feasible. Nevertheless, few BC survivors conceive following anticancer treatment completion and many physicians remain concerned about the potentially detrimental effects of pregnancy after BC in terms of fetal/obstetrical outcomes and maternal prognosis. This systematic review and meta-analysis aims at providing updated and solid evidence on these important issues. Methods: A systematic literature review up to January 31, 2020 with no language restriction was conducted to identify studies including patients with a pregnancy after prior BC diagnosis. Chances of pregnancy after BC, fetal and obstetrical outcomes, disease-free survival (DFS) and overall survival (OS) were assessed. Pooled relative risks (RRs), hazard ratios (HRs) or odds ratio (ORs) with 95% confidence intervals (CI) were calculated using the random effects models. The study is registered with the PROSPERO registration number CRD42020158324. Results: Overall, 39 studies were included. Out of the 8,265,713 young women included in these studies, 8,093,401 were from the general population, 57,739 had cancers other than BC, 114,573 had BC. Among the 114,573 BC patients, 7,505 had a pregnancy after BC diagnosis and 107,068 did not. Compared to women from the general population, BC patients had 60% reduced chances of having a pregnancy following anticancer treatment completion (RR 0.40, 95% CI 0.32-0.49). Among other cancer patients, only women with prior cervical cancer had lower pregnancy rates (RR 0.33, 95% CI 0.31-0.35) than BC patients. Compared to the general population, BC survivors had significantly increased risks of low birth weight (OR 1.50, 95% CI 1.31-1.73), small for gestational age (OR 1.16, 95% CI 1.01-1.33), preterm delivery (OR 1.45, 95% CI 1.11-1.88) and caesarean section (OR 1.14, 95% CI 1.04-1.25). No significant increased risk of congenital abnormalities (OR 1.63, 95% CI 0.89-2.98) or other pregnancy or delivery complications (spontaneous or induced abortion, gestosis, antepartum or postpartum hemorrhage) was observed. Prior chemotherapy exposure or short pregnancy interval (defined as &lt;2 or &lt;5 years after BC diagnosis) were not associated with additional increased risk of complications. Pregnancy after BC was not associated with a negative impact on patients’ outcomes. Compared to BC patients without subsequent pregnancy, those with pregnancy after BC had better OS (HR 0.56, 95% CI 0.46-0.67) and DFS (HR 0.73, 95% CI 0.56-0.94). Similar results were observed in the studies correcting for the potential “healthy mother effect” (OS: HR 0.52, 95% CI 0.42-0.65; DFS: HR 0.74, 95% CI 0.58-0.96). No detrimental prognostic effect of pregnancy after BC was observed in patients with hormone-receptor positive disease (DFS: HR 1.10, 95% CI 0.73-1.66), while better outcomes were observed for those with hormone-receptor negative disease (DFS: HR 0.72, 95% CI 0.55-0.95). The safety of pregnancy after BC was observed irrespective of BRCA status, nodal status, previous chemotherapy exposure, pregnancy interval and pregnancy outcomes. Conclusions: This large meta-analysis provides solid evidence on the safety of pregnancy after prior BC diagnosis. The increased risk of fetal and obstetrical complications (but not of congenital abnormalities) calls for ensuring a closer monitoring of these pregnancies. The significantly reduced chances of conceiving as compared to the general population and other cancer patients should raise further awareness on the need to improve the oncofertility counseling of young BC patients wishing to complete their family planning following anticancer treatment completion. Citation Format: Eva Blondeaux, Marta Perachino, Marco Bruzzone, Richard A. Anderson, Evandro De Azambuja, Philip D. Poorvu, Hee Jeong Kim, Cynthia Villarreal-Garza, Barbara Pistilli, Ines Vaz-Luis, Cristina Saura, Kathryn J. Ruddy, Maria Alice Franzoi, Chiara Sertoli, Marcello Ceppi, Hatem A. Azim, Jr., Frederic Amant, Isabelle Demeestere, Lucia Del Mastro, Ann H. Partridge, Olivia Pagani, Fedro A. Peccatori, Matteo Lambertini. Chances of pregnancy after breast cancer, reproductive and disease outcomes: A systematic review and meta-analysis [abstract]. In: Proceedings of the 2020 San Antonio Breast Cancer Virtual Symposium; 2020 Dec 8-11; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2021;81(4 Suppl):Abstract nr GS3-09.
Systematic review on the use of patient-reported outcome measures in brain tumor studies: part of the Response Assessment in Neuro-Oncology Patient-Reported Outcome (RANO-PRO) initiative
Dirven, Linda , Vos, Maartje E, Walbert, Tobias , Arons, David, Bent, Martin J. van den , Brown, Paul D. , Chang, Susan M. , Coens, Corneel , Grant, Robin, Jalali, Rakesh , Leach, Danielle, Mendoza, Tito R. , Nayak, Lakshmi , Oliver, Kathy , Reijneveld, Jaap C. , Wen, Patrick Y. , Taphoorn, Martin , Mendoza, Tito , Weller, Michael , van den Bent, Martin J , Armstrong, Terri S. , Blakeley, Jaishri O. , Bulbeck, Helen , Gilbert, Mark R. , Leeper, Heather , Rhun, Émilie Le , Rubinstein, Larry , Wen, Patrick Yung

Mayo Clinic

Neuro-Oncology Practice | February 14, 2021 | Volume: 8 | Issue: 4 | Pages: 417-425

10.1093/nop/npab013 | PMID 34277020 Get It

Abstract Background The Response Assessment in Neuro-Oncology Patient-Reported Outcome (RANO-PRO) working group aims to provide guidance on the use of PROs in brain tumor patients. PRO measures should be of high quality, both in terms of relevance and other measurement properties. This systematic review aimed to identify PRO measures that have been used in brain tumor studies to date. Methods A systematic literature search for articles published up to June 25, 2020 was conducted in several electronic databases. Pre-specified inclusion criteria were used to identify studies using PRO measures assessing symptoms, (instrumental) activities of daily living [(I)ADL] or health-related quality of life (HRQoL) in adult patients with glioma, meningioma, primary central nervous system lymphoma, or brain metastasis. Results A total of 215 different PRO measures were identified in 571 published and 194 unpublished studies. The identified PRO measures include brain tumor-specific, cancer-specific, and generic instruments, as well as instruments designed for other indications or multi- or single-item study-specific questionnaires. The most frequently used instruments were the EORTC QLQ-C30 and QLQ-BN20 (n = 286 and n = 247), and the FACT-Br (n = 167), however, the majority of the instruments were used only once or twice (150/215). Conclusion Many different PRO measures assessing symptoms, (I)ADL or HRQoL have been used in brain tumor studies to date. Future research should clarify whether these instruments or their scales/items exhibit good content validity and other measurement properties for use in brain tumor patients.
Heart–lung transplant in congenitally corrected transposition of the great arteries and dextrocardia patient
Ahmed, Magdy M. El‐Sayed , Thomas, Mathew , Makey, Ian A. , Erasmus, D , Sareyyüpoğlu, Başar , Landolfo, Kevin , Thomas, Mathew , El-Sayed Ahmed, Magdy M , Martin, Archer K, Landolfo, Kevin P, Pham, Si M. , Thomas, Mathew , Martin, Archer Kilbourne

Mayo Clinic

SAGE Open Medical Case Reports | February 12, 2021 | Volume: 9 | Issue: No issue available | Pages: No page available

10.1177/2050313x20987449 | PMID 33633862 Get It

A 53-year-old male patient was presented to our institution with the clinical picture of biventricular failure. The echocardiogram revealed congenitally corrected transposition of the great arteries, dextrocardia with situs solitus, atrioventricular discordance and ventriculoatrial discordance, severe systemic and mitral valves regurgitation, and severe pulmonary hypertension (mean pulmonary artery pressure: 51 mm Hg). He underwent heart–lung transplant. He was discharged on postoperative day 25 with left ventricular ejection fraction of 60%–65%, and with oxygen independency.
Intraarterial Degradation of Calcium Hydroxylapatite Using Sodium Thiosulfate – An In Vitro and Cadaveric Study
Yankova, Mariya , Pavicic, Tatjana , Frank, Konstantin , Schenck, Thilo L., Beleznay, Kate, Gavril, Diana L., Voropai, Daria , Robinson, Deanne Mraz, Velthuis, Peter J. , Frank, Konstantin , Green, Jeremy B. , Cotofana, Sebastian

Mayo Clinic

Aesthetic Surgery Journal | February 8, 2021 | Volume: 41 | Issue: 5 | Pages: NP226-NP236

10.1093/asj/sjaa350 | PMID 33544840 Get It

Abstract Background The most severe complications following soft tissue filler injections result from the intraarterial administration of the filler product. Although hyaluronic acid–based filler can be trans-arterially dissolved with hyaluronidase, no information is available on calcium hydroxylapatite (CaHA)-based fillers. Objective The authors sought to test whether CaHA-based fillers can be trans-arterially dissolved by sodium thiosulfate (STS) when evaluated in cadaveric and in vitro models. Methods Human cadaveric facial arterial segments were each filled with 0.2 cc of commercially available CaHA product and submerged for 24 hours in 4 different STS-containing solutions: 10 cc STS (300 mg/cc) (pure, 1:1 dilution, 1:2 dilution), 0.9% saline and 10 cc STS (300 mg/cc), and 300 IU (bovine) hyaluronidase in a 1:1 ratio. Results Intraarterial CaHA was detected in human facial artery segments after 24 hours independent of the STS concentration employed. Submerging the arterial segments in STS (300 mg/cc) and 300 IU (bovine) hyaluronidase (1:1 ratio) also did not dissolve the intraarterial CaHA product. Gray scale analyses did show, however, that increasing concentrations of STS resulted in increased disintegration of CaHA in an in vitro experimental setting. Conclusions The results of this study indicate that STS is limited in its potential to dissolve intraarterial CaHA of cadaveric human facial arteries, despite the fact that it appears effective when in direct contact with the CaHA. Adverse events caused by intraarterial administration of CaHA-based fillers still lack a suitable antidote.