Infection by MDRA is frequent in patients with cirrhosis and the prognosis is severe, especially in patients unresponsive to empiric antibiotic therapy.
We assess the level of tumour necrosis factor alpha (TNF-alpha) in tear fluids and other serum
parameters associated with diabetes in different degrees of diabetic retinopathy. We have performed a prospective,
nonrandomized, observational study. Study population consisted of 16 healthy subjects (controls) and 32 type 2
diabetic patients: 16 affected by proliferative diabetic retinopathy (PDR) and 16 with nonproliferative retinopathy
(NDPR, background/preproliferative). Body mass index, urinary albumin, blood glucose, HbA1c, and tear levels
of TNF-alpha were measured in all subjects. The value of glycaemia, microalbuminurea, and Body mass index
in diabetic retinopathy groups were higher than those in control group (P < 0.05).
Glycemia in NPDR: 6.6 mmol/L (range: 5.8–6.3); in PDR: 6.7 mmol/L
(range: 6.1–7.2); in control: 5.7 mmol/L (range: 4.9–6.1); microalbuminurea in
NPDR: 10.6 mg/L (range: 5.6–20); in PDR: 25.2 mg/L
(range: 17–40); in control: 5.3 mg/L (range: 2.6–10); Body mass index in
NPDR: 26 Kg/m2 (range: 20.3–40);
in PDR: 28 Kg/m2 (range 20.3–52);
in control: 21 Kg/m2 (range 19–26).
The TNF-alpha concentrations in tears increase with the severity of pathology
and were lower in control group than in diabetic subjects. In the end, the level of TNF-alpha
is highly correlated with severity of diabetic retinopathy and with nephropathy.
Tear fluid collection may be a useful noninvasive method for the detection of proliferative diabetic retinopathy.
This multicenter survey showed that, in the 'real world', adherence to the both the diagnostic and therapeutic American Association for the Study of Liver Diseases 2005 algorithms was low, particularly in patients with early-stage HCC. Difficulties in applying the algorithms in routine clinical practice and the high prevalence of older patients with relevant comorbidities may account for our findings. Strategies to help improve adherence to international guidelines for HCC in field practice are required.
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