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Biomedical subjects

Giuseppe Ettore

Publications and source records attributed to Giuseppe Ettore.

10 recordsLinked to original sources

Hysteroscopic platelet-rich plasma and medically assisted reproduction outcomes: a systematic review and SWOT analysis.

BACKGROUND: Platelet-rich plasma (PRP) has been proposed as an adjuvant treatment in reproductive medicine. While most evidence refers to blind intrauterine instillation, subendometrial administration under hysteroscopic guidance allows targeted delivery under direct visualisation. This systematic review aimed to synthesise the available evidence on hysteroscopic PRP administration and its impact on clinical medically assisted reproduction (MAR) outcomes. METHODS: A systematic search was conducted from inception to December 2025 across major databases. Studies were included if they evaluated hysteroscopic PRP administration in women undergoing MAR, comparing reproductive outcomes between treated and control groups. RESULTS: Out of 142 records, 3 studies met the inclusion criteria. Study populations were heterogeneous and included women with refractory thin endometrium and/or a history of implantation failure. Hysteroscopic PRP administration protocols varied in timing, technique, and dosage. In a prospective case-control study, hysteroscopic intraendometrial PRP injection at a depth of 2-3 mm in the four uterine walls, using an ovum aspiration needle, on days 11-13 of the cycle prior to euploid frozen embryo transfer (ET), was associated with higher implantation (IR), clinical pregnancy (CPR), and live birth rates (LBR) compared with standard therapy. Conversely, no significant differences in CPR, miscarriage rate, or LBR were observed in an observational study evaluating a single intraendometrial PRP injection (35-40 mL, 2-3 mm depth), administered via endoscopic needle on days 6-8 of the menstrual cycle preceding frozen ET, alone or after electrical impulse therapy. A randomised controlled trial in women undergoing intrauterine insemination reported a significant improvement in CPR following hysteroscopic subendometrial PRP instillation in the four uterine walls (1.0 mL each). CONCLUSIONS: Current literature on hysteroscopic PRP administration in reproductive medicine is limited, and robust conclusions cannot yet be drawn. Well-designed randomised controlled trials with standardised protocols are needed to clarify its clinical role.

Humans↗

Reproductive risk factors in unilateral and bilateral renal agenesis.

Renal agenesis (RA) appears to be a multifactorial condition with combined genetic and environmental influences. We performed a retrospective case-control study of reproductive history of 26 isolated RA live births cases referred to Sicilian Registry of Congenital Malformations. A statistical significant association for birth weight if we considered all RA together and for bilateral RA alone, an increasing risk for maternal age only in the bilateral RA subgroup and a male predominance both for unilateral and bilateral RA was found. Our results show that some reproductive risk factors may be associated with RA, moreover differences found between subgroups indicate that some risk factors may be different in unilateral and bilateral RA. The association between reproductive risk factors and RA may reflect pathogenetic interaction between genetic and environmental factors. Nevertheless further studies are needed to clarify these associations and to explore the role of perinatal factors in the etiology of renal agenesis. In fact if prenatal or perinatal risk factors are in a causal chain influencing the risk for developing RA, then these data could have important implications in the prevention or treatment of this condition.

Adult↗

Oesophageal atresia and Down syndrome.

Infants with Down syndrome are known to have a high frequency of associated birth defects and some authors have suggested an association between Down syndrome and oesophageal atresia. We evaluated data from the Sicilian Registry of Congenital Malformations. Our finding of an incidence of 0.9% of oesophageal atresia in children with Down syndrome is more than 30 times higher than expected and more than reported in other studies where the association was present in 0.5% of cases. Our results confirm that the relationship between Down syndrome and oesophageal atresia is a non random association and the observation of this association in several populations with different genetic backgrounds allows us to conclude that a causal relationship may exist between Down syndrome and oesophageal atresia.

Comorbidity↗

Elevated incidence of hypospadias in two sicilian towns where exposure to industrial and agricultural pollutants is high.

We found significant elevated incidence of hypospadias in two towns in Southeastern Sicily selected on the basis of the presence of intense industrial (Augusta) and agricultural (Vittoria) activities. Cases and controls were chosen in records collected from a surveillance system on abnormal live births in the same area and in a large city (Catania) located in an area at low risk of exposure to environmental pollutants. From 1991 to 1998, 16 cases of isolated hypospadias were recorded among male live births in Augusta (12.1 per 1000 male live births) and 24 cases in Vittoria (7.4 per 1000 male live births) with an incidence significantly higher than that expected (3.2 per 1000 in Southeastern Sicily). Relative risks in Augusta and Vittoria were 3.8 (95% confidence interval: 2.16-6.14) and 2.3 (95% confidence interval: 1.48-3.43; P=0.00003 and 0.04, respectively). In Augusta, the incidence of hypospadias was higher than in Vittoria. Significant log odds ratios were found for occupational exposure in fathers both in Augusta and Vittoria (P=0.0478 and 0.026, respectively). However, daily contact with pollutants in Augusta may not be sufficient by itself to determine hypospadias and other factors might be involved. Similar factors may act also in Vittoria. Thus, contact with large amounts of pesticides is, by itself, a risk factor for hypospadias, though genetic and other environmental factors might be involved.

Agriculture↗