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Cost Effectiveness of a Platelet-rich Plasma Preparation Technique for Clinical Use

Hamid MSA

Wounds, 2018 Jul;30(7):186-190.
PMID: 30059343

INTRODUCTION: Despite limited clinical evidence, platelet-rich plasma (PRP) is currently used for the treatment of various soft tissue injuries, but optimal use of PRP has yet to be determined. In many instances, PRP is prepared using commercial devices that lack standardized preparation techniques and consistent quality of the PRP produced.
OBJECTIVE: The aim of this study is to explore a simple, easy, economical method of PRP preparation that is practical for clinical use.
MATERIALS AND METHODS: This cross-sectional study was conducted at the Sports Medicine Clinic at the University of Malaya Medical Centre, Malaysia. Participants were healthy postgraduate students and staff at the Sports Medicine Department. The PRP was prepared using a single centrifugation technique. Leukocyte and platelet levels were compared with that of a whole blood baseline and a commercial preparation kit.
RESULTS: The PRP produced using this technique contained significantly higher mean platelet (1725.0 vs. 273.9 x 109/L) and leukocyte (33.6 vs. 7.7 x 109/L) levels compared with whole blood. There was no significant difference in the mean platelet and leukocyte levels between the PRP produced in this study and by a commercial PRP system.
CONCLUSIONS: A single-centrifugation protocol using readily available materials in a typical clinical setting could produce PRP of comparable quality to those of a commercial PRP production system.

Matched MeSH terms: Platelet-Rich Plasma*
Microwave induced plasma for solid fuels and waste processing: A review on affecting factors and performance criteria

Ho GS, Faizal HM, Ani FN

Waste Manag, 2017 Nov;69:423-430.
PMID: 28811144 DOI: 10.1016/j.wasman.2017.08.015

High temperature thermal plasma has a major drawback which consumes high energy. Therefore, non-thermal plasma which uses comparatively lower energy, for instance, microwave plasma is more attractive to be applied in gasification process. Microwave-induced plasma gasification also carries the advantages in terms of simplicity, compactness, lightweight, uniform heating and the ability to operate under atmospheric pressure that gains attention from researchers. The present paper synthesizes the current knowledge available for microwave plasma gasification on solid fuels and waste, specifically on affecting parameters and their performance. The review starts with a brief outline on microwave plasma setup in general, and followed by the effect of various operating parameters on resulting output. Operating parameters including fuel characteristics, fuel injection position, microwave power, addition of steam, oxygen/fuel ratio and plasma working gas flow rate are discussed along with several performance criteria such as resulting syngas composition, efficiency, carbon conversion, and hydrogen production rate. Based on the present review, fuel retention time is found to be the key parameter that influences the gasification performance. Therefore, emphasis on retention time is necessary in order to improve the performance of microwave plasma gasification of solid fuels and wastes.

Matched MeSH terms: Plasma Gases*
Fulltext Molecular detection of feline leukemia virus in clinically ill cats in Klang Valley, Malaysia

Mummoorthy K, Yasmin AR, Arshad SS, Omar AR, Nur-Fazila SH, Anand P, et al.

Vet World, 2021 Feb;14(2):405-409.
PMID: 33776305 DOI: 10.14202/vetworld.2021.405-409

Background and Aim: Feline leukemia virus (FeLV) is classified as Retroviridae gammaretrovirus. FeLV occurs worldwide, including Malaysia. Thus far, only one decade-old study on molecular characterization of Malaysian FeLV isolates exists, which resulted in a scarcity of updated information of current FeLV isolates circulating in Malaysia. This study was conducted to determine the status of FeLV in clinically ill cats and to study the molecular characterization and phylogenetic relatedness of the current isolates.
Materials and Methods: Convenience sampling was performed in 20 cats from the Gasing Veterinary Hospital in Selangor. Plasma and saliva samples were collected from 15 clinically ill cats and 5 healthy cats subjected to one-step reverse transcription-polymerase chain reaction with primers targeting a highly conserved gene of U3-LTR-gag.
Results: Two clinically ill cats' plasma and saliva samples tested positive for FeLV RNA. Partial nucleotide sequencing and phylogenetic analysis revealed that the current isolates were 94-99% homologous to the previous Malaysian and Japanese FeLV isolates.
Conclusion: Current FeLV isolates from this study displayed higher similarity with the previous Malaysian isolates, signifying that a similar FeLV strain circulated among the cat population in Selangor.

Matched MeSH terms: Plasma
ASSESSMENT OF HEAVY METAL CONCENTRATION IN MARINE SEDIMENTS IN TERENGGANU WATERS

YIP TAIM HING, TAN EVONNE, POONG JUN HAN, TEE LIAN SHENG, MUHAMMAD HASBI RAMLI, ONG MENG CHUAN, et al.

UMT Journal of Undergraduate Research, 2020;3(2):1-12.
MyJurnal

The distribution of heavy metals (Cu, Zn, Cd, Pb) in surface sediments was examined in waters off the coast of Marang, Terengganu. A total of 20 samples were collected using Ponar grab and analysed by inductively coupled plasma-mass spectrometer after closed digestion with acid. The sediments were filtered using a dry sieving method to determine their particle size. The spatial distribution maps on the concentration of selected metals were drawn using the ArcGIS software. Results showed that the average concentration of Cu, Zn, Cd, and Pb were 2.33±0.38 µg/g dry weight, 28.4±3.78 µg/g dry weight, 0.09±0.01 µg/g dry weight and 8.35±1.48 µg/g dry weight, respectively. The level of pollution was also evaluated using the Index of Geoaccumulation (Igeo) and Pollution Load Index (PLI). All Igeo and PLI values obtained were low, which indicated low or no pollution. Meanwhile, the sediment mean size ranged between -0.77Ø and 3.18Ø, which characterised a sandy type of sediment. Correlation analysis showed a positive correlation between the heavy metals and sediment size. The results indicated that there was a common source of heavy metal pollution in the study area, possibly from shipping activities. Overall, there was no significant heavy metal pollution in the waters off Marang. This finding is important as the data could be used to evaluate the risk of metal contamination and the impact of anthropogenic activities on the marine environment.

Matched MeSH terms: Plasma
Fulltext Efficiency of different sampling tools for aquatic macroinvertebrate collections in Malaysian streams

Wan Mohd Hafezul Wan Abdul Ghani, Che Salmah Md Rawi, Suhaila Abd. Hamid, Al-Shami, Salman Abdo

Trop Life Sci Res, 2016;27(1):115-133.
MyJurnal

This study analyses the sampling performance of three benthic sampling tools
commonly used to collect freshwater macroinvertebrates. Efficiency of qualitative D-frame
and square aquatic nets were compared to a quantitative Surber sampler in tropical
Malaysian streams. The abundance and diversity of macroinvertebrates collected using
each tool evaluated along with their relative variations (RVs). Each tool was used to
sample macroinvertebrates from three streams draining different areas: a vegetable farm,
a tea plantation and a forest reserve. High macroinvertebrate diversities were recorded using the square net and Surber sampler at the forested stream site; however, very low
species abundance was recorded by the Surber sampler. Relatively large variations in the
Surber sampler collections (RVs of 36% and 28%) were observed for the vegetable farm
and tea plantation streams, respectively. Of the three sampling methods, the square net
was the most efficient, collecting a greater diversity of macroinvertebrate taxa and a
greater number of specimens (i.e., abundance) overall, particularly from the vegetable
farm and the tea plantation streams (RV

Matched MeSH terms: Norepinephrine Plasma Membrane Transport Proteins
Fulltext Bird species composition and feeding guilds based on point count and mist netting methods at the Paya Indah Wetland Reserve, Peninsular Malaysia

Mohamed Zakaria, Muhammad Nawaz Rajpar

Trop Life Sci Res, 2010;21(2):-.
MyJurnal

A comparison study was conducted to determine the bird species composition, relative abundance, species diversity and feeding guilds based on point count (PC) and mist netting (MN) at the Paya Indah Wetland Reserve (PIWR), Peninsular Malaysia. A total of 13872 bird observations belonging to 100 species and 38 families were recorded using the PC method over 15 consecutive months, and a total of 1478 bird individuals
belonging to 65 species and 33 families were captured using the MN method over 1260 netting hours. The results showed that Treron vernans (1723 observations; 12.42%) was the most abundant bird species using the PC method, whereas Pycnonotus goiavier (378 individuals; 25.64%) was the most abundant bird species using the MN method. The Ardeidae (9 species; 23.68%) was the most dominant family using the PC method, but the Rallidae (6 species; 18.18%) was the most dominant family using the MN method. The PC method produced higher species diversity (Shannon’s N1 = 31.22) and richness (Margalef’s R1 = 10.42) than MN, whereas the MN method produced higher species evenness (McIntosh’s E = 0.86) than the PC method. Frugivore/insectivore comprised of bulbuls, orioles, pigeons and starlings was the most dominant feeding guild in both methods (PC = 27.81% and MN = 32.88%). In contrast, carnivore was the rarest feeding guild in both methods (i.e. PC = 0.17% and MN = 0.20%). These findings indicate that the PC method is more efficient and produces better results than the MN method.

Matched MeSH terms: Norepinephrine Plasma Membrane Transport Proteins
Do colloids in comparison to crystalloids for fluid resuscitation improve mortality?

Naing CM, Win DK

Trans R Soc Trop Med Hyg, 2010 May;104(5):311-2.
PMID: 20206954 DOI: 10.1016/j.trstmh.2010.02.001

Permanent neurological impairment or death arising from hospital-acquired hyponatremia in both children and adults is well documented. The choice of intravenous fluids for fluid resuscitation in critically ill patients is a top priority in evidence-based medicine. The question of whether colloids in comparison to crystalloids can improve mortality in such cases remains to be answered. Well powered, randomized clinical trials addressing the comparative efficacy of different types of intravenous fluids is a high priority as is the ethical justification for such trials. The understanding of the pathophysiological process serves important information on clinical practice.

Matched MeSH terms: Plasma Substitutes/adverse effects; Plasma Substitutes/therapeutic use*
Fulltext Snake Venom Proteomics, Immunoreactivity and Toxicity Neutralization Studies for the Asiatic Mountain Pit Vipers, Ovophis convictus, Ovophis tonkinensis, and Hime Habu, Ovophis okinavensis

Tan CH, Palasuberniam P, Tan KY

Toxins (Basel), 2021 07 23;13(8).
PMID: 34437385 DOI: 10.3390/toxins13080514

Snakebite envenomation is a serious neglected tropical disease, and its management is often complicated by the diversity of snake venoms. In Asia, pit vipers of the Ovophis species complex are medically important venomous snakes whose venom properties have not been investigated in depth. This study characterized the venom proteomes of Ovophis convictus (West Malaysia), Ovophis tonkinensis (northern Vietnam, southern China), and Ovophis okinavensis (Okinawa, Japan) by applying liquid chromatography-tandem mass spectrometry, which detected a high abundance of snake venom serine proteases (SVSP, constituting 40-60% of total venom proteins), followed by phospholipases A2, snake venom metalloproteinases of mainly P-III class, L-amino acid oxidases, and toxins from other protein families which were less abundant. The venoms exhibited different procoagulant activities in human plasma, with potency decreasing from O. tonkinensis > O. okinavensis > O. convictus. The procoagulant nature of venom confirms that consumptive coagulopathy underlies the pathophysiology of Ovophis pit viper envenomation. The hetero-specific antivenoms Gloydius brevicaudus monovalent antivenom (GbMAV) and Trimeresurus albolabris monovalent antivenom (TaMAV) were immunoreactive toward the venoms, and cross-neutralized their procoagulant activities, albeit at variably limited efficacy. In the absence of species-specific antivenom, these hetero-specific antivenoms may be useful in treating coagulotoxic envenomation caused by the different snakes in their respective regions.

Matched MeSH terms: Plasma/drug effects
Two-dimensional polyacrylamide gel electrophoresis of Bali bull (Bos javanicus) seminal plasma proteins and their relationship with semen quality

Sarsaifi K, Haron AW, Vejayan J, Yusoff R, Hani H, Omar MA, et al.

Theriogenology, 2015 Oct 1;84(6):956-68.
PMID: 26119476 DOI: 10.1016/j.theriogenology.2015.05.035

The present study evaluated the relationship between Bali bull (Bos javanicus) seminal plasma proteins and different semen quality parameters. Semen samples from 10 mature Bali bulls were evaluated for conventional semen parameters (general motility, viability, and normal morphology), sperm functionality (acrosome reaction, sperm penetration rate, sperm penetration index), sperm kinetics (computer-assisted semen analysis parameters such as sperm velocity), and sperm morphology (acrosome and membrane integrity). Frozen-thawed semen with higher sperm motility, viability, acrosome integrity, and membrane integrity (P < 0.05) are consistently higher in acrosome reaction and sperm penetration assay. Three bulls showed the highest, four bulls displayed the medium, and the remaining three bulls showed the lowest for all sperm parameters and SPA. The proteome maps of seminal plasma from high-quality and low-quality Bali bulls were also established. Seminal plasma of both high-quality and low-quality Bali bulls was subjected to two-dimensional SDS-PAGE with isoelectric point ranged from 3 to 10 and molecular weight from 10 to 250 kDa. Approximately 116 spots were detected with Blue Silver stain, and of these spots, 29 were selected and identified by MALDI-TOF/TOF-MS/MS. A majority of the proteins visualized in the seminal plasma two-dimensional maps was successfully identified. An essential group of the identified spots represented binder of sperm 1 (BSP1), clusterin, spermadhesin, tissue inhibitor of metalloproteinases 2 (TIMP-2), and phospholipase A2 (PLA2). Other proteins found in high abundance included seminal ribonuclease, serum albumin, cationic trypsin, and peptide similar to β2 microglobulin. Thus, a reference map of Bali bull seminal plasma proteins has been generated for the very first time and can be used to relate protein pattern changes to physiopathologic events that may influence Bali bull reproductive performance.

Matched MeSH terms: Seminal Plasma Proteins
Proceedings of the Inaugural Strategy Meeting for the Establishment of a Southeast Asia Regional Therapeutic Plasma Exchange Consortium for Neurological Disorders

Viswanathan S, Appiwatanakul M, Nayak A, Islam B, Khatri B, Pangeran D, et al.

Ther Apher Dial, 2019 Jun;23(3):289-297.
PMID: 30927331 DOI: 10.1111/1744-9987.12806

In conjunction with the third regional Southeast Asian (SEA) therapeutic plasma exchange (TPE) conference in Kuala Lumpur, Malaysia, 25 clinicians and researchers from SEA and South Asian countries attended the inaugural strategy meeting for the establishment of a regional TPE consortium for neurological disorders. The primary objective was to establish regional collaboration to improve delivery of TPE services in SEA. A pre-meeting survey was conducted to gather insights on disease spectrum, contextual practice challenges, and the need for a regional TPE consensus. Challenges identified include limited healthcare funding in support of diagnostic workup, TPE therapy, as well as development of clinical infrastructure and expertise capacity building. There was favorable interest in developing a working plan contextualized to this region. Strategies to overcome challenges were discussed. This included the need for a comprehensive referral system and network of regional TPE centers suited to local needs, supported by innovative TPE delivery programs.

Matched MeSH terms: Plasma Exchange/methods*
Fulltext Low-energy plasma focus device as an electron beam source

Khan MZ, Ling YS, Yaqoob I, Kumar NN, Kuang LL, San WC

ScientificWorldJournal, 2014;2014:240729.
PMID: 25544952 DOI: 10.1155/2014/240729

A low-energy plasma focus device was used as an electron beam source. A technique was developed to simultaneously measure the electron beam intensity and energy. The system was operated in Argon filling at an optimum pressure of 1.7 mbar. A Faraday cup was used together with an array of filtered PIN diodes. The beam-target X-rays were registered through X-ray spectrometry. Copper and lead line radiations were registered upon usage as targets. The maximum electron beam charge and density were estimated to be 0.31 μC and 13.5 × 10(16)/m(3), respectively. The average energy of the electron beam was 500 keV. The high flux of the electron beam can be potentially applicable in material sciences.

Matched MeSH terms: Plasma Gases*
Fulltext Development of simple designs of multitip probe diagnostic systems for RF plasma characterization

Naz MY, Shukrullah S, Ghaffar A, Rehman NU

ScientificWorldJournal, 2014;2014:279868.
PMID: 24683326 DOI: 10.1155/2014/279868

Multitip probes are very useful diagnostics for analyzing and controlling the physical phenomena occurring in low temperature discharge plasmas. However, DC biased probes often fail to perform well in processing plasmas. The objective of the work was to deduce simple designs of DC biased multitip probes for parametric study of radio frequency plasmas. For this purpose, symmetric double probe, asymmetric double probe, and symmetric triple probe diagnostic systems and their driving circuits were designed and tested in an inductively coupled plasma (ICP) generated by a 13.56 MHz radio frequency (RF) source. Using I-V characteristics of these probes, electron temperature, electron number density, and ion saturation current was measured as a function of input power and filling gas pressure. An increasing trend was noticed in electron temperature and electron number density for increasing input RF power whilst a decreasing trend was evident in these parameters when measured against filling gas pressure. In addition, the electron energy probability function (EEPF) was also studied by using an asymmetric double probe. These studies confirmed the non-Maxwellian nature of the EEPF and the presence of two groups of the energetic electrons at low filling gas pressures.

Matched MeSH terms: Plasma Gases/analysis*; Plasma Gases/chemistry*
Fulltext A case of recurrent respiratory papillomatosis successfully removed via endoscopic argon plasma coagulation (APC) with no evidence of recurrence

Wong JL, Tie ST, Lee J, Kannan SK, Rashid Ali MR, Ibrahim A, et al.

Med J Malaysia, 2014 Aug;69(4):195-6.
PMID: 25500852 MyJurnal

Recurrent respiratory papillomatosis (RRP) is a benign disease caused by the human papilloma virus (HPV), characterized by the formation of recurrent, epithelial neoplastic lesions in the airways. While benign, they can cause significant airway obstruction in some cases. Difficulties in treatment arise from the recurrent nature of the lesions despite repeated procedures. Other known procedures that result in deep tissue damage also cause unacceptable collateral damage to the underlying airway mucosa. We describe a case of recurrent papillomatosis that was successfully treated with argon plasma coagulation ( APC) when laser and electrocautery ablation had failed in the past. After the papillomatasis was treated with APC, there is no recurrence on repeat scope at 4 months and 9 months after the initial procedure. The procedure was done as a day case and there is no complication from the procedure. The property of the APC that allows it to cause only superficial thermal damage to the tissue makes it a suitable adjunct therapy to the treatment of papillomas, which are usually superficial lesions.

Matched MeSH terms: Argon Plasma Coagulation
Fulltext Inflammatory pseudotumour of skull base - diagnostic challenge and treatment outcome

Kahairi A, Ahmad RL, Wan Ishlah L, Norra H

Med J Malaysia, 2012 Oct;67(5):526-8.
PMID: 23770873

We report a case of an inflammatory pseudotumour (IP) involving the floor of the skull base, which demonstrated aggressive behavior both clinically and radiologically. In this case, the diagnosis was established by clinical presentation, magnetic resonance imaging (MRI), histopathological examination (HPE) and the dramatic response towards high dose steroid therapy. The clinical features improved with oral cyclophosphamide in combination with oral steroid, which were given for a period of three months.

Matched MeSH terms: Granuloma, Plasma Cell*
Fulltext Effectiveness of fresh frozen plasma as supplementary treatment in organophosphate poisoning

Pazooki S, Solhi H, Vishteh HR, Shadnia S, Beigi MJ

Med J Malaysia, 2011 Oct;66(4):342-5.
PMID: 22299554

With the establishment of the inadequate efficiency of atropines and oximes in reducing morbidity and mortality of patients poisoned by organophosphates, more attention is given to using other methods such as Fresh Frozen Plasma (FFP) as a bioscavenger to mop up organophosphate toxins. This randomized clinical trial was conducted on 56 organophosphate poisoned patients who were randomly assigned to the FFP and control groups in order of admission. The routine treatment in both groups included atropine and, in moderate to severe cases of poisoning, pralidoxime. The FFP group received four packs of FFP as stat dose at the beginning of treatment. No significant difference was seen between the two groups on the atropine and pralidoxime dosage, hospitalization length and mortality. The present study showed that using four packs of FFP as stat dose at the onset of treatment had no significant effect on the clinical course of organophosphate poisoned patients.

Matched MeSH terms: Plasma*
Cell therapy for facial anti-aging

Ebisawa K, Kato R, Okada M, Kamei Y, Mazlyzam AL, Narita Y, et al.

Med J Malaysia, 2008 Jul;63 Suppl A:41.
PMID: 19024974

Two types of cell therapy for facial anti-aging in my clinical experience are introduced in this presentation. One therapy is cultured gingival fibroblasts injection. This procedure lasts for at least one year, making it a good option for patients. The other is platelet rich plasma injection. The results of the preliminary data are promising, but not yet well understood. More clinical data and long-term follow-up is needed.

Matched MeSH terms: Platelet-Rich Plasma
A case of co-infection: First reported case of severe plasmodium knowlesi malaria and dengue co-infection in Sabah, Malaysia

Wong CK, Md Fuzi NH, Baherin MF, Lee HG

Med J Malaysia, 2020 03;75(2):171-172.
PMID: 32281602

We report a rare case of severe Plasmodium knowlesi malaria and dengue co-infection in a 36-year-old lady with hyperparasitaemia, metabolic acidosis, haemolysis and acute kidney injury. She was in shock requiring inotropic support and elective intubation. She had pericardial tamponade which necessitate pericardiocentesis to allow for haemodynamic stability during haemodialysis. She underwent haemodialysis, was ventilated for six days and stayed in hospital for 29 days. She was discharged home well with almost complete renal recovery. Physicians must have a high degree of suspicion for dengue co-infection in malaria patients with plasma leakage such as pericardial effusion to allow for prompt management.

Matched MeSH terms: Plasma
Plasma volumes in a group of healthy Malaysians

Shahabudin SH

Med J Malaysia, 1977 Sep;32(1):25-7.
PMID: 609339
Matched MeSH terms: Plasma Volume*
An audit of fresh frozen plasma usage in a tertiary referral centre in a developing country

Prathiba R, Jayaranee S, Ramesh JC, Lopez CG, Vasanthi N

Malays J Pathol, 2001 Jun;23(1):41-6.
PMID: 16329547

This paper evaluates the practice of fresh frozen plasma (FFP) transfusion at the University Hospital, Kuala Lumpur, and analyses its usage by the various clinical departments. The aim of this study is to identify where it is inappropriately used and the clinical indications in which such misuse is common. A retrospective analysis of the blood bank request forms and work sheets during a 6-month period between January 1998 and June 1998 formed the basis of this study. Overall, 40% of 2665 units transfused were considered appropriate. However, out of the 931 episodes of FFP transfusions only 31% were for appropriate indications. The average FFP requirement when used for appropriate indication was about 4 units per episode, whereas for inappropriate indication it was 2.5 units per episode. Inappropriate use in terms of the number of units was highest by the surgical services (68%) and Orthopaedics (64%), while the Department of Paediatrics had the lowest incidence of inappropriate use (40%). When Paediatrics was used as the benchmark, the incidence of inappropriate use by other departments was significantly higher (p < 0.01). As for FFP usage in common clinical indications, there was a high incidence of inappropriate use in burns (82%), perioperative period (73%), cardiac surgery (68%), massive bleeding (62%) and trauma (60%). The findings in this study, specifically the use of FFP for volume support in trauma, massive bleeding and burns, routine requests without identified indication in cardiac bypass surgery, and prophylactic use in the perioperative period can be the basis for recommendations to minimize the inappropriate use of FFP in the future.

Matched MeSH terms: Plasma*
Fulltext Maternal level of pregnancy-associated plasma protein A as a predictor of pregnancy failure in threatened abortion

Hanita O, Roslina O, Azlin MI

Malays J Pathol, 2012 Dec;34(2):145-51.
PMID: 23424777 MyJurnal

Threatened miscarriage is a common complication of pregnancy. Despite initial viability confirmation by ultrasound scan, some of these patients had further spontaneous abortion. A highly sensitive and specific biomarker would be useful to determine the outcome of pregnancy and to prevent emotional impact to these women. A prospective 14-month cohort study was conducted in the Obstetrics and Gynaecology Department of Universiti Kebangsaan Malaysia Medical Centre to determine whether low serum levels of pregnancy-associated plasma protein A (PAPP-A) measured in early pregnancy can predict the outcome of threatened abortion. 42 pregnant women between 6 to 22 weeks of gestation with threatened abortion and 40 controls were enrolled. Serum samples were collected at presentation and PAPP-A was assayed by electrochemiluminescent immunoassay technique. Pregnancies were followed-up until 22 weeks of gestations and the outcome documented. Nine patients (11%) developed spontaneous abortion and 73 patients (89%) had successful pregnancy. The median PAPP-A level was significantly lower in patients with spontaneous abortion compared to those who had successful pregnancies in the threatened abortion group: 0.78 MoM (0.41-1.00 MoM) vs 1.00 MoM (1.00-2.0 MoM) respectively (p < 0.05). The best sensitivity of 44% and specificity of 93% were obtained at the cut of value of 0.66 MoM (95% CI, 0.561-0.773). In conclusion, low PAPP-A value in threatened abortion women is associated with pregnancy failure, although the use of PAPP-A as a one-time single marker has limited value.

Matched MeSH terms: Pregnancy-Associated Plasma Protein-A/metabolism*

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