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Dupuytren's contracture

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Not to be confused with Dupuytren fracture.
Dupuytren's contracture
Other namesDupuytren's disease, Viking disease,[1] contraction of palmar fascia, palmar fascial fibromatosis, palmar fibromas[2]
Dupuytren's contracture of the ring finger
SpecialtyRheumatology
SymptomsOne or more fingers permanently bent in a flexed position, hard nodule just under the skin of the palm[2]
ComplicationsTrouble preparing food or writing[2]
Usual onsetGradual onset in males over 50[2]
CausesUnknown[3]
Risk factorsFamily history, alcoholism, smoking, thyroid problems, liver disease, diabetes, epilepsy[3][2]
Diagnostic methodBased on symptoms[3]
TreatmentSteroid injections, clostridial collagenase injections, surgery[3][4]
Frequency~5% (US)[2]

Dupuytren's contracture is a condition in which one or more fingers become permanently bent in a flexed position.[2] It usually begins as small hard nodules just under the skin of the palm.[2] It then worsens over time until the fingers can no longer be straightened. While typically not painful some aching or itching maybe present.[2] The ring finger followed by the little and middle fingers are most commonly affected.[2] It can interfere with preparing food, writing, and other activities.[2]

The cause is unknown.[3] Risk factors include family history, alcoholism, smoking, thyroid problems, liver disease, diabetes, previous hand trauma, and epilepsy.[2][3] The underlying mechanism involves the formation of abnormal connective tissue within the palmar fascia.[2] Diagnosis is usually based on symptoms.[3]

Initial treatment is typically with steroid injections into the affect area and physical therapy.[3] Among those who worsen clostridial collagenase injections or surgery may be tried.[3][4] Evidence for radiation therapy, well used, is poor.[5] The condition, however, may recur despite treatment.[3]

Dupuytren's most often occurs in males over the age of 50.[2] It mostly affects white people and is rare among Asians and Africans.[6] In the United States about 5% of people are affected at some point in time, while in Norway about 30% of men over 60 years old have the condition.[2] In the United Kingdom, about 20% of people over 65 have some form of the disease.[6] It is named after Guillaume Dupuytren who first described the underlying mechanism in 1833.[6]

Signs and symptoms

Dupuytren's contracture of the right little finger. Arrow marks the area of scarring

Typically, Dupuytren's contracture first presents as a thickening or nodule in the palm, which initially can be with or without pain.[7] Later in the disease process, there is increasing painless loss of range of motion of the affected fingers. The earliest sign of a contracture is a triangular “puckering” of the skin of the palm as it passes over the flexor tendon just before the flexor crease of the finger, at the metacarpophalangeal (MCP) joint. Generally, the cords or contractures are painless, but, rarely, tenosynovitis can occur and produce pain. The most common finger to be affected is the ring finger; the thumb and index finger are much less often affected.[8] The disease begins in the palm and moves towards the fingers, with the metacarpophalangeal (MCP) joints affected before the proximal interphalangeal (PIP) joints.[9]

In Dupuytren's contracture, the palmar fascia within the hand becomes abnormally thick, which can cause the fingers to curl and can impair finger function. The main function of the palmar fascia is to increase grip strength; thus, over time, Dupuytren's contracture decreases patients' ability to hold objects. Patients may rarely report pain, aching and itching with the contractions. Normally, the palmar fascia consists of collagen type I, but in Dupuytren sufferers, the collagen changes to collagen type III, which is significantly thicker than collagen type I.[citation needed]

People with severe involvement often show lumps on the back of their finger joints (called “Garrod's pads”, “knuckle pads”, or “dorsal Dupuytren nodules”) and lumps in the arch of the feet (plantar fibromatosis or Ledderhose disease). In severe cases, the area where the palm meets the wrist may develop lumps. Severe Dupuytren disease may also be associated with frozen shoulder (adhesive capsulitis of shoulder), Peyronie's disease of the penis, increased risk of several types of cancer, and risk of early death, but more research is needed to clarify these relationships.[citation needed]

Risk factors

Dupuytren's contracture is a non-specific affliction but primarily affects:

Non-modifiable

  • People of Scandinavian or Northern European ancestry,[10] it has been called the "Viking disease",[6] though it is also widespread in some Mediterranean countries (e.g., Spain[11] and Bosnia[12])[13] Dupuytren's is unusual among ethnic groups such as Chinese and Africans.[14]
  • Men rather than women; men are more likely to develop the condition)[8][10]
  • People over the age of 50; the likelihood of getting Dupuytren's disease increases with age[8][14]
  • People with a family history (60% to 70% of those afflicted have a genetic predisposition to Dupuytren's contracture)[8][15]

Modifiable

  • Smokers, especially those who smoke 25 cigarettes or more a day[14][16]
  • Thinner people (i.e. those with a lower than average body mass index)[14]
  • Manual workers[14]
  • Alcoholics[6][16]

Other conditions

In one study, those with stage 2 of the disease were found to have a slightly increased risk of mortality, especially from cancer.[18]

Diagnosis

Types

According to the American Dupuytren's specialist Dr Charles Eaton, there may be three types of Dupuytren's disease:[19]

  • Type 1: A very aggressive form of the disease found in only 3% of patients with Dupuytren's, which can affect men under 50 with a family history of Dupuytren's. It is often associated with other symptoms such as knuckle pads and Ledderhose disease. This type is sometimes known as Dupuytren's diathesis.[20]
  • Type 2: The more normal type of Dupuytren's disease, usually found in the palm only, and which generally begins above the age of 50. According to Dr Eaton, this type may be made more severe by other factors such as diabetes or heavy manual labour.
  • Type 3: A mild form of Dupuytren's which is common among diabetics or which may also be caused by certain medications such as the anti-convulsants taken by people with epilepsy. This type does not lead to full contracture of the fingers and is probably not inherited.

Treatment

Treatment is indicated when the so-called table top test is positive. With this test, the person places their hand on a table. If the hand lies completely flat on the table, the test is considered negative. If the hand cannot be placed completely flat on the table, leaving a space between the table and a part of the hand as big as the diameter of a ballpoint pen, the test is considered positive and surgery or other treatment may be indicated. Additionally, finger joints may become fixed and rigid.

Treatment involves one or more different types of treatment with some hands needing repeated treatment.

The main categories listed by the International Dupuytren Society in order of stage of disease are radiation therapy, needle aponeurotomy (NA), collagenase injection and hand surgery.

Needle aponeurotomy is most effective at "Stage I and Stage II" of 6-90 degrees of deformation. However, it is also used at other stages.

Collagenase injection is most effective at "Stage I" and Stage II" of 6-90 degrees of deformation. However, it is also used at other stages.

Hand surgery is effective at Stage I - Stage IV.[21]

Surgery

On June 12, 1831, Dupuytren performed a surgical procedure on a patient with contracture of the 4th and 5th digits who had been previously told by other surgeons that the only remedy was cutting the flexor tendons. He described this patient and operation in The Lancet in 1834 [22] after presenting it in 1833 and posthumously in 1836 in a French publication by Hôtel-Dieu de Paris.[23] The procedure he described was a minimally invasive needle procedure.

Because of high recurrence rates,[citation needed] new surgical techniques were introduced, such as fasciectomy and then dermofasciectomy. Most of the diseased tissue is removed with these procedures. Recurrence rates are high.[clarify] For some individuals, the partial insertion of "K wires" into either the DIP or PIP joint of the affected digit for a period of a least 21 days to fuse the joint is the only way to halt the disease's progress. After removal of the wires, the joint is fixed into flexion, which is considered preferable to fusion at extension.

In extreme cases, amputation of fingers may be needed for severe or recurrent cases or after surgical complications.[24]

Limited fasciectomy

Hand immediately after surgery and completely healed

Limited/selective fasciectomy removes the pathological tissue, and is a common approach.[25][26]

During the procedure, the patient is under regional or general anesthesia. A surgical tourniquet prevents blood flow to the limb.[27] The skin is often opened with a zig-zag incision but straight incisions with or without Z-plasty are also described and may reduce damage to neurovascular bundles.[28] All diseased cords and fascia are excised.[25][26][27] The excision has to be very precise to spare the neurovascular bundles.[27] Because not all the diseased tissue is visible macroscopically, complete excision is uncertain.[26] A 20-year review of surgical complications associated with fasciectomy showed that major complications occurred in 15.7% of cases, including digital nerve injury (3.4%), digital artery injury (2%), infection (2.4%), hematoma (2.1%), and complex regional pain syndrome (5.5%), in addition to minor complications including painful flare reactions in 9.9% of cases and wound healing complications in 22.9% of cases.[29] After the tissue is removed, the surgeon closes the incision. In the case of a shortage of skin, the transverse part of the Zig-Zag incision is left open. Stitches are removed 10 days after surgery.[27]

After surgery, the hand is wrapped in a light compressive bandage for one week. Patients start bending and extending their fingers as soon as the anesthesia has resolved. Hand therapy is often recommended.[27] Approximately 6 weeks after surgery patients are able to completely use their hand.[30]

The average recurrence rate is 39% after a fasciectomy after a median interval of about 4 years.[31]

Wide-awake fasciectomy

Limited/selective fasciectomy under local anesthesia (LA) with epinephrine but no tourniquet is possible. In 2005, Denkler described the technique.[32][33]

Dermofasciectomy

Dermofasciectomy is a surgical procedure that is mainly used in recurrences and for people with a high chance of a recurrence of Dupuytren's contracture.[26] Similar to a limited fasciectomy, the dermofasciectomy removes diseased cords, fascia, and the overlying skin.[34] The skin is then closed with a skin graft, usually full-thickness,[26] consisting of the epidermis and the entire dermis. In most cases the graft is taken from the antecubital fossa (the crease of skin at the elbow joint) or the inner side of the upper arm.[34][35] This place is chosen, because the skin color best matches the palm's skin color. The skin on the inner side of the upper arm is thin and has enough skin to supply a full-thickness graft. The donor site can be closed with a direct suture.[34]

The graft is sutured to the skin surrounding the wound. For one week the hand is protected with a dressing. The hand and arm are elevated with a sling. The dressing is then removed and careful mobilization can be started, gradually increasing in intensity.[34] After this procedure the recurrence of the disease can be low[26][34][35] but the re-operation and complication rate may be high.[vague][36]

Free Vascular Flaps

In severe cases a free vascular flap may be preferred and is thought to reduce recurrence. A one-year follow-up of a single patient was described. This patient had not experienced recurrence.[37]

Segmental Fasciectomy with/without Cellulose

Segmental fasciectomy involves excising part(s) of the contracted cord so that it disappears or no longer contracts the finger. It is less invasive than the limited fasciectomy, because not all the diseased tissue is excised and the skin incisions are smaller.[38]

The patient is placed under regional anesthesia and a surgical tourniquet is used. The skin is opened with small curved incisions over the diseased tissue. If necessary, incisions are made in the fingers.[38] Pieces of cord and fascia of approximately one centimeter are excised. The cords are placed under maximum tension while they are cut. A scalpel is used to separate the tissues.[38] The surgeon keeps removing small parts until the finger can fully extend.[38][39] Patients start with active mobilization the day after surgery. They wear an extension splint for two to three weeks, except during physical therapy.[38]

The same procedure is used in the segmental fasciectomy with cellulose implant. After the excision and a careful hemostasis, the cellulose implant is placed in a single layer in between the remaining parts of the cord.[39]

After surgery patients wear a light pressure dressing for four days, followed by an extension splint. The splint is worn continuously during nighttime for eight weeks. During the first weeks after surgery the splint may be worn during daytime.[39]

Less invasive treatments

The patient burden after open surgery is high, therefore less invasive techniques may be preferred. New studies have been conducted for percutaneous release, extensive percutaneous aponeurotomy with lipografting and collagenase. These treatments show promise.[40][41][42][43]

Percutaneous needle fasciotomy

Needle aponeurotomy is a minimally-invasive technique where the cords are weakened through the insertion and manipulation of a small needle. The cord is sectioned at as many levels as possible in the palm and fingers, depending on the location and extent of the disease, using a 25 Gauge needle mounted on a 10 ml syringe.[40] Once weakened, the offending cords can be snapped by putting tension on the finger(s) and pulling the finger(s) straight. After the treatment a small dressing is applied for 24 hours. After these 24 hours patient are able to use their hands normally. No splints or physiotherapy are given.[40]

The advantage of needle aponeurotomy is the minimal intervention without incision (done in the office under local anesthesia) and the very rapid return to normal activities without need for rehabilitation, but the nodules may resume growing.[44] A study reported postoperative gain is greater at the MCP-joint level than at the level of the IP-joint and found a reoperation rate of 24%; complications are scarce.[45] Needle aponeurotomy may be performed on fingers that are severely bent (stage IV), and not just in early stages. A 2003 study showed 85% recurrence rate after 5 years.[46]

A comprehensive review of the results of needle aponeurotomy in 1,013 fingers was performed by Gary M. Pess, MD, Rebecca Pess, DPT and Rachel Pess, PsyD and published in the Journal of Hand Surgery April 2012. Minimal followup was 3 years. Metacarpophalangeal joint (MP) contractures were corrected an average of 99% and Proximal interphalangeal joint (PIP) contractures an average of 89% immediately post procedure. At final follow-up, 72% of the correction was maintained for MP joints and 31% for PIP joints. The difference between the final corrections for MP versus PIP joints was statistically significant. When a comparison was performed between patients age 55 years and older versus under 55 years, there was a statistically significant difference at both MP and PIP joints, with greater correction maintained in the older group. Gender differences were not statistically significant. Needle aponeurotomy provided successful correction to 5° or less contracture immediately post procedure in 98% (791) of MP joints and 67% (350) of PIP joints. There was recurrence of 20° or less over the original post procedure corrected level in 80% (646) of MP joints and 35% (183) of PIP joints. Complications were rare except for skin tears, which occurred in 3.4% (34) of digits. This study showed that NA is a safe procedure that can be performed in an outpatient setting. The complication rate was low, but recurrences were frequent in younger patients and for PIP contractures.[47]

Extensive percutaneous aponeurotomy and lipografting

A technique introduced in 2011 is extensive percutaneous aponeurotomy with lipografting.[41] This procedure also uses a needle to cut the cords. The difference with the percutaneous needle fasciotomy is, that the cord is cut at many places. The cord is also separated from the skin to make place for the lipograft that is taken from the abdomen or ipsilateral flank.[41] This technique shortens the recovery time. The fat graft results in supple skin.[41]

Before the aponeurotomy, a liposuction is done to the abdomen and ipsilateral flank to collect the lipograft.[41] The treatment can be performed under regional or general anesthesia. The digits are placed under maximal extension tension using a firm lead hand retractor. The surgeon makes multiple palmar puncture wounds with small nicks. The tension on the cords is crucial, because tight constricting bands are most susceptible to be cut and torn by the small nicks, whereas the relatively loose neurovascular structures are spared. After the cord is completely cut and separated from the skin the lipograft is injected under the skin. A total of about 5 to 10 ml is injected per ray.[41]

After the treatment the patient wears an extension splint for 5 to 7 days. Thereafter the patient returns to normal activities and is advised to use a night splint for up to 20 weeks.[41]

Collagenase

Main article: Collagenase clostridium histolyticum
Collagenase enzyme injection: before, next day, and two weeks after first treatment

Clostridial collagenase injections have been found to be more effective than placebo.[4] The cords are weakened through the injection of small amounts of the enzyme collagenase, which breaks peptide bonds in collagen.[42][48][49][50][43]

The treatment with collagenase is different for the MCP joint and the PIP joint. In a MCP joint contracture the needle must be placed at the point of maximum bowstringing of the palpable cord.[42]

The needle is placed vertically on the bowstring. The collagenase is distributed across three injection points.[42] For the PIP joint the needle must be placed not more than 4 mm distal to palmar digital crease at 2–3 mm depth.[42] The injection for PIP consists of one injection filled with 0.58 mg CCH 0.20 ml.[43] The needle must be placed horizontal to the cord and also uses a 3-point distribution.[42] After the injection the patient’s hand is wrapped in bulky gauze dressing and must be elevated for the rest of the day. After 24 hours the patient returns for passive digital extension to rupture the cord. Moderate pressure for 10–20 seconds ruptures the cord.[42]

After the treatment with collagenase the patient should use a night splint and perform digital flexion/extension exercises several times per day for 4 months.[42]

In February 2010 the US Food and Drug Administration (FDA) approved injectable collagenase extracted from Clostridium histolyticum for the treatment of Dupuytren's contracture.[51]

Radiation therapy

Shows the beam's eye view of the radiotherapy portal on the hand's surface with the lead shield cut-out placed in the machine's gantry.

Radiation therapy has been used mostly for early stage disease, but is unproven.[5] Evidence to support its use as of 2017, however, is poor; efforts to gather evidence are complicated due to a poor understanding of the how the condition develops over time.[5][52] It has only been looked at in early disease.[5]

Alternative medicine

Several alternate therapies such as vitamin E treatment, have been studied, although without control groups. Most doctors do not value those treatments.[53] None of these treatments stops or cures the condition permanently.

Laser treatment (using red and infrared at low power) was informally discussed in 2013 at an International Dupuytren Society forum,[54] as of which time little or no formal evaluation of the techniques had been completed.

Only anecdotal evidence supports other compounds such as vitamin E.[55]

Prognosis

Dupuytren’s disease has a high recurrence rate, especially when a patient has so called Dupuytren’s diathesis. The term diathesis relates to certain features of Dupuytren's disease and indicates an aggressive course of disease.[20]

The presence of all new Dupuytren’s diathesis factors in a patient increases the risk of recurrent Dupuytren’s disease by 71% compared with a baseline risk of 23% in patients lacking the factors.[20] In another study the prognostic value of diathesis was evaluated. They concluded that presence of diathesis can predict recurrence and extension.[56] A scoring system was made to evaluate the risk of recurrence and extension evaluating the following values: bilateral hand involvement, little finger surgery, early onset of disease, plantar fibrosis, knuckle pads and radial side involvement.[56]

Minimally invasive therapies may precede higher recurrence rates. Recurrence lacks a consensus definition. Furthermore, different standards and measurements follow from the various definitions.[citation needed]

Postoperative care

Postoperative care involves hand therapy and splinting. Hand therapy is prescribed to optimize post-surgical function and to prevent joint stiffness.[citation needed]

Besides hand therapy, many surgeons advise the use of static or dynamic splints after surgery to maintain finger mobility. The splint is used to provide prolonged stretch to the healing tissues and prevent flexion contractures. Although splinting is a widely used post-operative intervention, evidence of its effectiveness is limited,[57] leading to variation in splinting approaches. Most surgeons use clinical experience to decide whether to splint.[58] Cited advantages include maintenance of finger extension and prevention of new flexion contractures. Cited disadvantages include joint stiffness, prolonged pain, discomfort,[58] subsequently reduced function and edema.

A third approach emphasizes early self-exercise and stretching.[33]

Notable cases

References

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