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Nailfold capillaroscopy microscopy

Best nail fold microscopy for nailfold capillary microscopy

What is nailfold capillary microscopy?

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

Microcirculation is the circulation of the blood in the smallest blood vessels,present in the vasculature embedded within organ tissues. This contrasts with macrocirculation, which is the circulation of blood to and from the organs. Microcirculation is composed of terminalarterioles, capillaries capillaries and venules which drain capillary blood. The vessels on the arterial side of the microcirculation are called the arterioles, which are well innervated, are surrounded by smooth musclecells, and are 10-100 µm in diameter.

Microcirculation is usually very smooth, but by high blood lipids, blood viscosity, erythrocyte aggregation, affect cardiovascular disease and other factors, microcirculation appears white tiny blood clots, which with the blood flow in the body.

Once the blood vessels become thin, distorted and clog the blood vessels (especially the elderly), there will be a corresponding disease, ranging from dizziness, insomnia, dizziness, numb lips, palpitation, chest tightness. If there is a large area of the brain or heart blockage will cause hemiplegia, language barriers, myocardial infarction. Therefore, early detection of thrombosis should check the microcirculation by actively antithrombotic thrombolysis, and clear the microcirculation, preventive measures.

nailfold capillary microscopy

Currently, the primary means of discovery is microcirculation microcirculation microscopic examination instrument, and general such as CT, MRI, X-ray, B-and so can not be found, so the clinical microcirculation earlier than macroscopic examination has found early diagnosis role.
Meanwhile, health groups and immunocompromised people are mainly in the microcirculation, lack of microvascular perfusion, vascular blurred, slow blood flow. By detecting the microcirculation can also quickly find the body in which the current situation in a timely manner as soon as possible be microcirculation, increase resistance and immunity, improve the sub-health conditions.

The Nailfold Capillaroscopy Microcirculation Microscope is an advance medical photoelectric apparatus,equipped with built in special LED light source,used mainly in observation on human nail fold capillary microcirculation or term as video Nailfold capillaroscopy,Such as capillary blood flow, abnormal microcirculation of the vascular structure, cell adhesion, through its powerful 380X(or 240X)optical magnification. Undistorted, real time dynamic video streaming via Sony CCD imaging device onto the LCD monitor screen.

Simply insert the finger to the holder below the optical lens apparatus, fine-tune to fix the focal length and uncover the desired images within seconds.Blood capilliary microcirculation microscope is a non-invasive diagnostic tools, which is gaining large credit among physicians of different specialities in for study of skin blood capilliary network.

What is nailfold capillary microscopy Main Spec?

 

Amplification 400X
Ourput device 480 type wire of TV
Objective 5X,effective range 25mm
Objective type Achromatization
Mechanical stage Single
Focusing mechanism Coaxial coarse and fine adjustment
Inner dimming LED cold light
Power 12V 1A DC power source
Inner dimming 12V 1A LED cold light
Net weight 4.5kg
Gross weight 6kg
Inner package Aluminum password box or wooden box, memory foam
Out package Corrugated box
 Software  English software
 Certificate  CE approved

 

What is nailfold capillary microscopy advantage?

1.in 5 seconds can be observed in the microvascular circulation, simple operation and fast;
2.the microscopic image is stable, clear, do not shake;
3.400 times the microcirculation of a dedicated high-resolution lens of the microscope;
4.handheld ultra-light design, so that the observation of more mobility;
5.with micro-focus wheel, free to adjust the focus length, the use of more convenience
6.lens built-in LED cold light source, accurate projection illumination on an object;
7.using non-invasive way, to observe the microcirculation of human body in time;
8.observing the microcirculation for any part of human body;

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nailfold capillary microscopy

nail fold microscopy

nail fold microscopy

Nailfold Capillaroscopy Excludes Scleroderma in Raynaud’s

he absence of a systemic sclerosis (SSc) nailfold pattern in patients with Raynaud’s phenomenon or suspected connective tissue disease is of high clinical value as a biomarker to rule out SSc, according to a large cohort study from the U.K.

For identifying patients who met the 2013 American College of Rheumatology/European League Against Rheumatism or the Very Early Diagnosis of Systemic Sclerosis (VEDOSS) criteria for SSc, the study found that a nailfold capillaroscopy pattern had a negative predictive value of 90% (95% CI 86 to 93), according to Maya H. Buch, MBChB, PhD, and colleagues from the University of Leeds, writing in BMC Musculoskeletal Disorders.

That pattern also had a sensitivity of 71% (95% CI 61 to 80), a specificity of 95% (95% CI 91 to 97), and a positive predictive value of 84% (95% CI 74 to 91).

“We were very impressed with nailfold capillaroscopy’s utility in negative prediction,” Buch said in an interview with MedPage Today. “The most valuable result here is the low likelihood of scleroderma in patients with Raynaud’s phenomenon who do not have any scleroderma-specific features on nailfold capillaroscopy. In practice, this means we can more confidently reassure such a patient and discharge care back to the patient’s general practitioner.”

The researchers noted that to the best of their knowledge, this is the first study to demonstrate that the absence of any SSc pattern on nailfold capillaroscopy maintains its known negative predictive value, including for patients with secondary Raynaud’s phenomenon, who are considered at increased risk of SSc. “This study is only one of two to include a large unselected cohort of patients with Raynaud’s phenomenon — mirroring clinical practice in which rheumatology departments frequently receive referrals of patients with Raynaud’s from GPs,” Buch said.

Primary Raynaud’s phenomenon is associated with normal microcirculation architecture, whereas microangiopathies are associated with secondary Raynaud’s, she explained. The SSc nailfold capillaroscopy pattern correlates with disease duration and severity, and also predicts future vascular and visceral organ damage. Nailfold capillaroscopy also detects vascular problems in glaucoma.

Although an SSc nailfold capillaroscopy pattern is sometimes present in other connective tissue diseases, “nailfold capillaroscopy could be performed to provide reassurance to the rheumatologist in the assessment of both [primary and secondary] Raynaud’s phenomenon,” the researchers wrote.

Buch and colleagues studied 347 patients referred for nailfold capillaroscopy to a tertiary-care center from January 2009 to October 2013. The mean age of the cohort was 47 years and 83% were female. Clinical review showed that 54 patients (16%) did not have true Raynaud’s phenomenon, 69 (20%) had primary Raynaud’s, 172 (50%) had secondary Raynaud’s, and 52 (15%) had SSc.

At referral, 46 patients (89%) met either VEDOSS or the 2013 American College of Rheumatology/European League Against Rheumatism (ACR/EULAR) criteria for SSc. Of the patients with secondary Raynaud’s, 71 (41%) were being managed for connective tissue disease or inflammatory arthritis, while 101 (59%) had an antibody and/or a red-flag feature for SSc.

A nailfold capillaroscopy pattern for SSc was detected in 80 patients (23%) — 43 with early, 31 with active, and six with late-pattern vasculopathy. This pattern was observed in 37 patients (71%) diagnosed with SSc, 30 (17%) with secondary Raynaud’s, nine (13%) with primary Raynaud’s, and four (7%) without Raynaud’s.

Considering only those patients with non-SSc connective tissue disease or inflammatory arthritis, 16 of 71 patients (23%) had an SSc pattern. This was detected in two of five patients with SLE, eight of 42 with undifferentiated connective tissue disease, four of six with mixed connective tissue disease, one of three with Sjogren’s syndrome, and one of 14 with inflammatory arthritis.

Interestingly, the team said, participants meeting ACR/EULAR criteria were more likely to have an SSc nailfold capillaroscopy pattern than those meeting the VEDOSS criteria were: 84% versus 42%, respectively. “This may be related to the earlier stage of disease in those meeting VEDOSS with less time for detectable vasculopathic changes at the nailfold to develop,” the researchers wrote. “These findings are important as the earlier detection and management of SSc may lead to reduced morbidity and earlier detection of its complications.”

microcirculation diagnosis microscope

microcirculation diagnosis microscope

Nailfold microcirculation microscope

Nailfold microcirculation microscope

Among the study limitations were the lack of formal measurements to determine enlarged capillaries and the use of two different nailfold capillaroscopy methods, which might have introduced bias. As in clinical practice, the examiners were not blinded to the clinical diagnosis, possibly introducing investigator bias. In addition, the retrospective analysis may have missed important data, particularly the presence of telangiectasia.

The authors cited the need for larger, more defined prospective studies of a heterogeneous group of Raynaud’s patients. Buch noted that the current study is part of a larger Leeds program to identify biomarkers for accurately identifying patients at risk for scleroderma or those with scleroderma at risk for poorer outcomes.

 

 

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