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1 HIT in humans is directly mirrored in a murine genetic m
2 HIT is propagated by activated platelets, monocytes, end
3 HIT pathophysiology is dynamic and complex.
4 HIT pathophysiology is initiated by four essential compo
5 HIT requires treatment with alternative anticoagulants.
6 HIT was defined as a 4Ts score >/= 4 and positive (14)C-
7 HIT'nDRIVE aims to solve the "random walk facility locat
8 HIT, compared with moderate-intensity continuous trainin
9 HIT-positive plasma demonstrated greater mean inhibition
11 aged 7-13 years were randomly assigned to a HIT or an active control group matched for enjoyment and
12 derived algorithm (n = 687), HemosIL-AcuStar-HIT-IgG was used as unique testing in 566 (82.4%) of 687
13 ositive HIPA were >3.0 U/mL (HemosIL-AcuStar-HIT-IgG) and titer >=16 (ID-H/PF4-PaGIA); cutoffs with 1
14 nalyzed by Zymutest-HIA-IgG, HemosIL-AcuStar-HIT-IgG, and ID-H/PF4-PaGIA in retrospective (n = 221) a
15 tients treated with rivaroxaban during acute HIT (group A, n = 25; group B, n = 21); major hemorrhage
16 patients who received DOAC therapy for acute HIT as either primary therapy (group A) or secondary the
17 rting efficacy and safety of DOACs for acute HIT is increasing, with the most experience reported for
19 nux is effective and safe in suspected acute HIT; no HIT-specific complications occurred in the fonda
21 per 10 000 admissions (P< .001), adjudicated HIT decreased 79% from 10.7 to 2.2 per 10 000 admissions
23 rast, consuming CHO before, during and after HIT running attenuates bone resorption, effects that are
26 The HIT-like monoclonal antibody KKO and HIT patient antibodies recognize PF4-VWF complexes, prom
29 frequency of management failures defined as HIT-positive participants with a low 4Ts score (irrespec
30 rombocytopenia (HIT) syndrome (or autoimmune HIT), defined as a transient prothrombotic thrombocytope
31 strated by a case of persisting (autoimmune) HIT (>2-month platelet recovery with inversely parallel
32 ability of current laboratory- and gym-based HIT protocols for obese individuals with low fitness and
33 ervised home-based MICT and laboratory-based HIT, while reducing many of the major barriers to exerci
35 e-bound platelet factor 4 (PF4) activated by HIT antibodies contribute to the prothrombotic state in
37 le blood of 131RR donors after activation by HIT antibodies, with increased phospholipid procoagulant
38 combination of direct platelet activation by HIT immune complexes through FcgammaRIIA and transactiva
39 maRIIA-dependent activation of DT40 cells by HIT antibodies as well as platelet activation, as measur
42 hat peri-thrombus endothelium is targeted by HIT antibodies, but the binding site(s) has not been ide
43 bivalrudin has the advantage of not causing HIT, a major concern is lack of an antidote for this dru
46 ing technologies, we have developed a new CD-HIT program accelerated with a novel parallelization str
49 with HIT, an at least intermediate clinical HIT-risk (4Ts score >/=4 points), and received treatment
51 Aggregation tests performed with collagen, HIT plasma, and monoclonal antibodies cross-linking Fcga
54 sing rivaroxaban for serologically confirmed HIT (4Ts score >/=4 points; positive platelet factor 4 [
55 having this property could explain "delayed HIT" seen in some individuals after discontinuation of h
56 " platelets are more sensitive for detecting HIT antibodies than platelet-rich plasma (PRP)-based ass
57 nts with anti-PF4-heparin antibodies develop HIT, implying that only a subset of these antibodies is
62 ts were randomized 1:1 to 9 months of either HIT (4x4-minute intervals at 85%-95% of peak effort) or
63 Ts score plus negative PaGIA result excluded HIT, whereas any other combination of results justified
67 n MPPs, Pcid2 interacts with the Zinc finger HIT-type containing 1 (ZNHIT1) to block Snf2-related CRE
70 on assay and a PF4-dependent immunoassay for HIT antibodies indicates that patients with subacute HIT
72 ted our prospective study of rivaroxaban for HIT), using rivaroxaban for serologically confirmed HIT
74 clinical practice, its predictive value for HIT in diverse settings and patient populations is unkno
75 bound to peri-injury endothelium and formed HIT antigenic complexes that were dissociated by heparin
81 high-intensity interval training (HIT) (Home-HIT) intervention in obese individuals with elevated car
82 e of three 12-week training programmes: Home-HIT (n = 9), laboratory-based supervised HIT (Lab-HIT; n
83 w that 12 weeks of virtually supervised Home-HIT in obese individuals with elevated cardiovascular di
84 n during exercise, virtually supervised Home-HIT resulted in comparable structural and endothelial en
87 4 tetramerization and inhibits KKO and human HIT IgG-induced platelet activation and platelet aggrega
88 d heparin is specifically inhibited by human HIT antibodies that activate platelets, whereas inhibiti
89 pite being a critically important element in HIT etiology, relatively little is known about the speci
90 48 276P or 326Q alleles was less frequent in HIT patients, suggesting a protective effect of these po
93 es contributes to the prothrombotic state in HIT and showed that HIT antibodies bind to monocyte Fcga
94 ategies, directed at the initiating steps in HIT pathophysiology and with potential combinations stag
95 48 (Q276P, R326Q, and D872E) were studied in HIT patients and 2 control groups, with or without antib
96 NF split into iSHH-I and iSHH-II subtypes in HIT-2000-BIS4 and the validation cohort, without prognos
97 erived thrombin contributes to thrombosis in HIT and identifies potential new targets for lessening t
98 found to increase the risk of thrombosis in HIT patients (odds ratio: 5.9; 95% confidence interval:
103 and afternoon (PM) high-intensity interval (HIT) (8 x 5 min at 85% VO2peak ) running protocol (inter
107 n = 9), laboratory-based supervised HIT (Lab-HIT; n = 10) or virtually supervised home-based moderate
108 ashed platelets and PRP, standard laboratory HIT tests, and physicochemical methods to identify a pla
109 mation of delayed-onset (or autoimmune-like) HIT antibodies that activate platelets even in the absen
111 liver-specific IGF-1 transgenic mouse model (HIT) to increase their circulating IGF-1 levels to inves
112 onmetastatic ND and MBEN based on a modified HIT SKK 2000 regimen excluding intraventricular methotre
113 etramer/KKO-Fab complex (a murine monoclonal HIT-like antibody) and (3) PF4 monomer/RTO-Fab complex (
115 ffective and safe in suspected acute HIT; no HIT-specific complications occurred in the fondaparinux-
117 ether, these studies demonstrate assembly of HIT immune complexes along VWF strings released by injur
118 e by characterizing PF4-dependent binding of HIT antibodies to intact platelets and found that most a
119 PF4/heparin immunization and breakthrough of HIT, we also tested 89 plasmas from 2 serosurveillance t
122 e diagnostic rubric for the determination of HIT by leveraging machine-learning-based classification
123 izing heparin exposure to the development of HIT is 5 days irrespective of the patient's previous hep
124 -based SERS analytical tool for diagnosis of HIT in the clinical laboratory, without perturbing the e
125 lifestyle, we report a very modest effect of HIT and no effect of resistance training on AHN in adult
131 ions that involve patients with a history of HIT (eg, treatment of venous thromboembolism or acute co
132 at among patients with a previous history of HIT who are reexposed to intraoperative (but not postope
135 egy for avoiding heparin on the incidence of HIT, HIT with thrombosis (HITT), and HIT-related costs.
136 Main outcome measures were the incidences of HIT-specific complications (thromboembolic venous/arteri
139 er microvascular injury in a murine model of HIT in which human FcgammaRIIa was expressed as a transg
152 IA result reduced the pretest probability of HIT from 1.9% to 0% (95% CI, 0-1.3%), 6.7% to 0% (95% CI
153 /H-PaGIA result increased the probability of HIT in the low score group to 15.4% (95% CI, 5.9-30.5).
156 date the intrinsic PF4-binding properties of HIT-like monoclonal antibody (KKO) versus non-pathogenic
157 We also performed a literature review of HIT treatment using DOACs (rivaroxaban, apixaban, dabiga
160 will summarize our current understanding of HIT by reviewing pathogenesis, essential clinical and la
162 ogic feature characteristic of delayed-onset HIT (ie, where heparin use precedes HIT but is not requi
164 bating IdeS in whole blood containing 5B9 or HIT plasma samples led to cleavage of anti-PF4/H antibod
167 kg(-1) dw in all trials immediately post PM HIT (P < 0.01) and remained lower at 17 h (171, 194 and
168 osphorylation (P < 0.05) immediately post PM HIT and similar mRNA expression (all P < 0.05) of PGC-1a
170 The annual rate of patients with a positive HIT assay decreased 63% from 16.5 to 6.1 per 10 000 admi
171 T reexposed to heparin 4.4 years (mean) post-HIT; 17 patients were given heparin intraoperatively (wi
173 ed-onset HIT (ie, where heparin use precedes HIT but is not required for subsequent development or wo
175 [73%]) suggests that patients with previous HIT may be especially predisposed to forming recurrent a
176 f recurrent HIT in 20 patients with previous HIT reexposed to heparin 4.4 years (mean) post-HIT; 17 p
177 confirmed by HIPA: 10 patients with probable HIT despite negative HIPA and 2 possible false-positive
180 Suspected HIT is more frequent than proven HIT, because of the widespread use of Hep and the inadeq
183 ostoperative) heparin, the risk of recurrent HIT appears to be low, but is possible if antibodies wit
184 assay [EIA]), and the frequency of recurrent HIT in 20 patients with previous HIT reexposed to hepari
185 fter cardiac surgery, with newly regenerated HIT antibodies exhibiting strong heparin-independent pla
187 se that a rigorous definition of spontaneous HIT syndrome should include otherwise unexplained thromb
188 ssay (ELISA)+/serotonin-release assay (SRA)+/HIT+ < ELISA+/SRA+/HIT- ~ ELISA+/SRA-/HIT- < ELISA-/SRA-
192 ve serologically-confirmed acute or subacute HIT; for this situation, a negative platelet activation
193 bodies indicates that patients with subacute HIT undergoing repeated TPE before heparin reexposure sh
194 samples in a patient with recent (subacute) HIT who underwent serial TPE precardiac surgery, as well
195 ome-HIT (n = 9), laboratory-based supervised HIT (Lab-HIT; n = 10) or virtually supervised home-based
196 erefore, we developed a virtually supervised HIT protocol targeting this group that can be performed
208 greater mean inhibition of KKO binding than HIT-negative plasma (78.9% vs 26.0%; P < .0001) and indu
212 e prothrombotic state in HIT and showed that HIT antibodies bind to monocyte FcgammaRIIA, which activ
217 ided into iSHH-I and iSHH-II subtypes in the HIT-2000-BIS4 cohort and a validation cohort (n = 71) fr
219 receptor IIA (FcgammaRIIA), infusion of the HIT-like monoclonal antibody KKO increased fibrin and pl
220 sures the effect of plasma on binding of the HIT-like monoclonal antibody KKO to platelet factor 4 (P
223 siology of heparin-induced thrombocytopenia (HIT) and in applying this knowledge to the treatment of
224 sential in heparin-induced thrombocytopenia (HIT) and other immune-mediated thrombocytopenia and thro
225 orithm for heparin-induced thrombocytopenia (HIT) based on the 4Ts score and 2 rapid immunoassays (IA
226 f previous heparin-induced thrombocytopenia (HIT) can be appropriate if platelet-activating antibodie
227 results in heparin-induced thrombocytopenia (HIT) from cellular activation involving Fc receptors.
229 to remove heparin-induced thrombocytopenia (HIT) IgG antibodies before cardiac/vascular surgery in p
241 suspected heparin-induced thrombocytopenia (HIT) is critical for guiding initial patient management.
244 clusion of heparin-induced thrombocytopenia (HIT) is needed to determine which patients can continue
245 hreatening heparin-induced thrombocytopenia (HIT) is treated with the alternative nonheparin anticoag
246 elines for heparin-induced thrombocytopenia (HIT) management recommend heparin cessation and switchin
247 ients with heparin-induced thrombocytopenia (HIT) remain at risk for recurrent thromboembolic complic
248 pontaneous heparin-induced thrombocytopenia (HIT) syndrome (or autoimmune HIT), defined as a transien
249 agnosis of heparin-induced thrombocytopenia (HIT), a difficult-to-diagnose immune-related complicatio
250 lopment of heparin-induced thrombocytopenia (HIT), a potentially fatal immune disorder affecting 1-5%
251 a (TTP) or heparin-induced thrombocytopenia (HIT), and Trousseau syndrome, but some patients present
252 nvolved in heparin-induced thrombocytopenia (HIT), beta-2-glycoprotein-1 implicated in antiphospholip
253 eatment of heparin-induced thrombocytopenia (HIT), few data are available comparing the cost-effectiv
254 atran) for heparin-induced thrombocytopenia (HIT),and also outline aHIT prevention strategy through d
264 rin-induced thrombocytopenia and thrombosis (HIT) patients homozygous for arginine (R) at position 13
265 rin-induced thrombocytopenia and thrombosis (HIT), but many antibody-positive patients have normal pl
267 with the HR and HH genotypes in response to HIT plasma or 5B9, a recently developed humanized monocl
268 -brain barrier; it affects susceptibility to HIT by altering the brain concentration of haloperidol.
270 enetic factors that affect susceptibility to HIT, but it is likely that additional pharmacogenetic su
273 onded with a >/=5-point improvement in total HIT-6 during treatment cycles 1, 2 and 3, respectively.
275 effect of a 6 week high-intensity training (HIT) regimen on measures of cognitive control and workin
276 home-based high-intensity interval training (HIT) (Home-HIT) intervention in obese individuals with e
277 Low-volume high-intensity interval training (HIT) is a time-efficient alternative to traditional mode
278 shown that high-intensity interval training (HIT) is safe, well tolerated, and efficacious in the mai
279 te whether high-intensity interval training (HIT) is superior to moderate-intensity training (MIT) in
280 effects of high-intensity interval training (HIT) or of purely anaerobic resistance training on AHN.
281 g (ET) and high intensity interval training (HIT), generally regarded as a time-efficient alternative
282 Whether high-intensity interval training (HIT), referring to alternating short bouts of very inten
284 cently completed prospective clinical trial (HIT [for heparin-induced thrombocytopenia] 5801 study; n
285 cal and laboratory features confirmed "true" HIT in at least 74 of 195 (38.0%) patients; 35 of 74 (47
286 to 2200 tumors from four major cancer types, HIT'nDRIVE revealed many potentially clinically actionab
287 elucidating molecular mechanisms underlying HIT, as well as other physiological processes driven by
290 e prediction for tumor samples by only using HIT'nDRIVE-seeded driver gene modules from gene interact
294 ran voluntarily on a running wheel, whereas HIT on the treadmill had a smaller, statistically non-si
297 d HIT, adjudicated HIT, and HITT, along with HIT-related expenditures were compared in the pre-interv
298 ospitalized patients who were diagnosed with HIT, an at least intermediate clinical HIT-risk (4Ts sco
299 y, share a number of serologic features with HIT Abs, including platelet activation, and may pose hea
300 nd/or plasma exchange, whereas patients with HIT need an alternative anticoagulant to replace heparin